Which relations are functions? Select all that apply.

Which Relations Are Functions? Select All That Apply.
Which Relations Are Functions? Select All That Apply.

Answers

Answer 1

Options A and B are functions as either if of the inputs is relating to a different output or different inputs relating to a single output.

What is a function?

A function can be thought of as a set of inputs that produces some output.

We know a relation is a function if every input relates to a different output sometimes many input relates to one output but one input relates to different outputs is not a function.

Option A is a function as every input relates to a different output.

Option B is not a function as the input - 4 relates to two different outputs 12 and 15.

Option C is also a function as every preimage has a different image.

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Related Questions

Premises:
If you have a cat, then it will chase mice.
You have a cat.
Conclusion:
Your cat will chase mice.
The Law of what
makes this argument true.

Answers

The law which makes this argument true is referred to as the Law of Syllogism.

What is the Law of Syllogism?

The Law of Syllogism is also referred to as reasoning by transitivity and it states that if two (2) statements are true, then a third true statement can be logically derived.

Mathematically, the Law of Syllogism follows a specific pattern and can be represented by the following conditional statements:

Conditional statement 1: If P, then Q (P ↔ Q).Conditional statement 2: If Q, then R (Q ↔ R.Conditional statement 3: If P, then R ( P ↔ R).

In this context, we can reasonably infer and logically deduce that the Law of Syllogism makes the conclusion based on the two premises.

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Which of these groups of relative frequencies would be best represented by a
pie chart?
A. 73%, 18%, 9%
B. 16%, 18%, 17%; 16%; 17%; 16%
C. 20%; 19%; 21%, 20%, 20%
D. 25%; 24%; 26%; 25%

Answers

In the given groups of Relative Frequencies the best represented by a pie chart would be Option D. 25%; 24%; 26%; 25%.

What are Relative Frequencies?

Relative frequencies are more commonly used because they allow you to compare how frequently values occur relative to the overall sample size. They are calculated by dividing the total number of responses by the number of responses for each category. Pie charts depict relative frequencies by showing how much of the total pie each category represents. Raw frequencies and relative frequencies can be displayed in frequency tables and bar charts.

According to the question we can get,

25% = [tex]\frac{1}{4}[/tex]

[tex]\frac{1}{4}[/tex] × 360° = 90°

24% approach 25%

26% approach 25%

So Option D would be the group of relative frequency best represented by a pie chart.

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Which of these sets of side lengths are Pythagorean triples? Check all that apply.
A. 10, 24, 26
B. 14, 48, 49
C. 9, 12, 16
D. 9, 40, 41
E. 15, 20, 25

Answers

The sets of lengths that are Pythagorean triples are:

A. 10, 24, 26

D. 9, 40, 41

E. 15, 20, 25

What is a Pythagorean Triple?

A Pythagorean triple can be described as a set of three numbers of the side lengths of a right triangle whereby the square of the longest side is equal to the sum of the squares of the two other sides.

For 10, 24, 26, we have:

10² + 24² = 26²

676 = 676 [true]

The set, 10, 24, 26 is a Pythagorean triple.

For 14, 48, 49, we have:

14² + 48² = 49²

2,500 = 2,401 [not true]

The set, 14, 48, 49, is NOT a Pythagorean triple.

For  9, 12, 16, we have:

9² + 12² = 16²

225 = 256 [not true]

The set, 9, 12, 16, is NOT a Pythagorean triple.

For  9, 40, 41, we have:

9² + 40² = 41²

1,681 = 1,681 [true]

The set, 9, 40, 41, is a Pythagorean triple.

For  15, 20, 25, we have:

15² + 20² = 25²

625 = 625 [true]

The set, 15, 20, 25, is a Pythagorean triple.

The correct set of options are, A, D, and E.

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you are given the following information obtained from a random sample of four observations selected from a large, normally distributed population. 25 47 32 56

Answers

The 95% confidence interval for the mean of the population lies between

(17.61, 62.39)

Construct a 95% confidence interval for the mean:

To construct a 95% confidence interval for the mean of the population, we must start with finding the following:

Mean

n=4

Mean=(25+47+32+56)/n

         =(160)/4

         =40

Mean is 40

Standard deviation σ

                             = [tex]\frac{1}{n-1}( \sum x^{2} -n(mean)^{2} )[/tex]

                             = [tex]\frac{1}{3} (6994-4(40)^{2} )[/tex]

                            σ= 14.07

Now, we construct 95% confidence interval CI:

Confidence interval=mean± t-table value*(standard deviation/√n)

Given a t-table value of 3.1824 from z-distribution table, mean=40, n=4, and standard deviation=14.07, we have:

Confidence interval=(40±3.1824(14.07/√4)

                               =(40±22.39)

                               =(40-22.39, 40+22.39)

Confidence interval=(17.61, 62.39)

The question was incomplete, below is the complete question:

You are given the following information obtained from a random sample of four observations taken from a large, normally distributed population.

25 47 32 56

Construct a 95% confidence interval for the mean of the population

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PLS HELP ME OUT I WILL MARK YOY BRAINLEIST IF CORRECT

Answers

42 ft.

The volume of a right pyramid uses the formula (1/3)(length)(width)(height). Insert known values and solve.

See details:

PLEASE QUICK HELP ME

Answers

Answer:

x = 115°

Step-by-step explanation:

Line a and line b are parallel lines

x° and the angle with measure 115° are alternate exterior angles so they have same measurement and each is 115°

Find the slope:
(-3, 3) and (7, 6)

Answers

Answer:

slope = (3/10)

Step-by-step explanation:

(-3, 3) and (7, 6)

(x₁, y₁)        (x₂, y₂)

        y₂ - y₁         6 - 3             3              3

m = ------------ = ------------ = ------------ = ----------

        x₂ - x₁         7 - (-3)        7 + 3           10

I hope this helps!

the question is on the attachment full thing please to get brainlyist

Answers

Answer:

The percent of change is about a 16.95% increase.

The predicted population in 2019 is 158,000 people.

sry if im wrong

Step-by-step explanation:

Which of these is best used for displaying frequency distributions when one or two categories make up a large proportion of the total?
A. Pie chart
B. Bar graph
C. Comparative pie chart
D. Comparative bar graph

Answers

Option A, Pie chart best used for displaying frequency distributions when one or two categories make up a large proportion of the total.

A piechart is best which is used for displaying frequency distribution when one or two categories make up a large proportion.

Hence, the Pie chart is best.

Pie chart - A pie chart is a statistical visualization in the shape of a split region that displays numerical information. The arc length of each slice in a pie chart is proportionate to the quantity represented.

Explanation of incorrect options,

Bar graph - A bar chart is a form of chart or graph that depicts categorical data using rectangular bars whose height or length is proportionate to the value they represent. face. Bars can be drawn vertically or horizontally. A histogram is another name for a vertical bar chart.

Comparative pie chart - Pie graphs have pie graphic areas comparing ratios by frequency. The greater the radius of the pie chart, the greater the number of individuals it depicts. This allows you to compare the two data sets visually.

Comparative bar graph - Chart displaying continuous comparisons of columns indicating different portions of the same category. This facilitates the comparison of visual data.

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I need help with all of this

Answers

Answer:

1080 total inches of ribbon. 60 pieces of ribbon can be cut.

Step-by-step explanation:

Firstly, the dressmaker has 15 rolls of ribbon that are 6 feet in length. Multiply those to see how many feet in total, 90. Then multiply this by 12 (there are 12 inches in a foot) to get the amount of total inches: 1080.

This is the answer to the question below the problem.

To answer the bigger question at hand:

You would need to take 1080 divided by 18 to find how many pieces the dressmaker can cut. She can cut exactly 60 pieces from her 15 rolls of ribbon.

Which of the relationships below represents a function with a greater rate of change than the function y = -1/4x-4?

Answers

Given the function:

[tex]y=-\frac{1}{4}x-4[/tex]

The given function is a linear function

The rate of change of the linear function = the slope of the function

The slope = the coefficient of x = -1/4

So, from the given options, you will select the function that has a slope that is greater than (-1/4)

What is the ratio in the question reduced to the lowest terms?

Answers

The total of animals is a prime number and hence the ratio can only be expressed as fraction.

Ratios of Numbers

To find the ratio in the given question, we must first of all add the total sum of the animals given and then find the ratio to each one.

Total number of items given

[tex]12 + 5 + 6 = 23[/tex]

The ratio of spiders to mosquitoes to rats are

[tex]\frac{12}{23}:\frac{5}{23}:\frac{6}{23}[/tex]

The total sum of animals is a prime number and can't be divided, however, the ratio is expressed as simple as possible.

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Fill in the missing
6 groups of_
number.
equal 42.

Answers

Fill in the missing 6 groups of_ number. equal 42.

because 6 × 7 = 42 then

6 groups of 7 equals 42.

7 because 6 times 7 is 42

Solve number 15? , Find the equation for the indicted variable, the answer will look something like this “h=_____”. So it is “h” equals something

Answers

Answer:

[tex]h = \dfrac{T - r}{n}\\\\\text{Hourly rate } = \$45\;\;\text{if T = 200, r = 20 and n= 4}[/tex]

Step-by-step explanation:

We have from #14 that
T = r + nh

where T = amount charged, n = hours worked, r = fixed rate and h = hourly rate

Subtract r from both sides:
T - r = r + nh - r

The r terms on RHS of the equation cancel out
T - r = nh

Divide both sides by n:
(T - r)/n = h

Or we can write it as
h = (T - r)/n

If r = 20, , T = 200 and n =4 we get by substitution

h = (200-20)/4

h = 180/4

h = 45

So hourly rate = $45

A manager needs to rent a meeting room. This function can be used to determine
room is rented.
f(1) = 100
f(t)=f(t-1)+20
Use the function to complete the table indicating the cost of renting the room for e
Hours Rented
1
2
3
4
Cost

Answers

The cost of renting the meeting room by the manager for the hours 1,2,3 and 4 defined by the function of (t) = function of (t-1) + 20, given that function of (1) = 100 is 520.

What is a function?

A function can be defined as a mapping whose co-domain is the set of real numbers.

Given the mapping defined as function of (t) = function of (t-1) + 20, for function of (1) = 100

Hence,

.f (2) = function of (2-1) + 20

.f (1) + 20

100 + 20 = 120

.f (3) = function of (3-1) + 20

.f (2) + 20

120 + 20 = 140

f (4) = f (4-1) + 20

.f (3) + 20

140 + 20 = 160

This can be seen in a table as shown above!

We can conclude with the proper mapping of the defined function of (t) = function of (t-1) + 20 for function of (1) = 100 that the total cost for the hours 1,2,3 and 4 for renting the meeting room is 520.

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What is the remainder of the quantity 4 x cubed minus 20 x minus 50 end quantity divided by the quantity x minus 3 end quantity? Show all necessary steps.[tex]\frac{4x^{3}-20x-50 }{x-3}[/tex]

Answers

The remainder of the polynomial 4x³-20x-50 / (x - 3) would be the expression 4x²+20x+52.

What is a polynomial?

A polynomial is defined as a mathematical expression that has a minimum of two terms containing variables or numbers. A polynomial can have more than one term.

We have to determine the remainder of the quantity 4 x cubed minus 20 x minus 50 end quantity divided by the quantity x minus 3 end quantity.

4x³-20x-50 = (4x³-4x²-16x-50) + (4x²+16x)

Divide both sides by (x - 3) to get

4x³-20x-50 = (4x³-4x²-16x-50)/(x-3)+(4x²+16x)/(x-3)

⇒ 4(x²+4x+12)+(4x²+16x)/(x-3)

⇒ 4x²+16x+48+(4x²+16x)/(x-3)

⇒ 4x²+16x+48+4(x+4)

⇒ 4x²+20x+52

Therefore, the remainder of the polynomial 4x³-20x-50 / (x - 3) would be the expression 4x²+20x+52.

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\theta=310^\circθ=310

Answers

The degrees to radians conversion is given as 1° = π/180 radian thus the conversion of 310° is (31/18)π.

What is unit conversion?

To convert any unit into another is called a unit conversion.

In order to convert units, we need to care about their dimensions their dimension should not be changed.

It is known that π radian = 180°.

1° = (π/180) radian.

Multiply both sides by 310

310° = (π/180)310

310° = (31/18)π

Hence "The degrees to radians conversion is given as 1° = π/180 radian thus the conversion of 310° is (31/18)π".

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The given question is incomplete complete question is ;

Convert the angle \theta=310^\circθ=310∘

theta, equals 310, degrees to radians.

I need help with finding the coordinates of B, I found A but I can't seem to get the right answer for B.

Answers

The graph represents the cosine graph, the coordinates of B is (-180, -1 )

what is cosine graph?

This is a type of graph used to depict cosine values of angles. The maximum and minimum points in these type of graph is 1 and -1.

The zero points gives the maximum point on the graph, hence the graph starts at ( 0, 1 )

Point B is found by analyzing the graph.

The point is located at the minimum which is -1. this is for the output value.

The input value which is the x direction we look at the cycles covered. one full cycle is 360 degrees or -360 degrees.

Point B is in the negative and coves half cycle which is -180

Hence B ( -180, -1)

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Round 4,929 to the place value of the underlined digit.

Answers

Raising 4,929 to the place value of the underlined digit will give a value of 4930.

What is rounding up of numbers?

It should be noted that rounding up of numbers simply means raising the number to the nearest ten, hundred, or thousand.

In this case let's assume that the underlined number is 2. Therefore, raising 4929 will give 4940. It should be noted that the number beside it is more than 5. Therefore, 1 will be added to 2 making 3. The new number is 4930.

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help meeeeeeeeeeee pleaseeeeeeeeeeeeee!!

Answers

Answer:

324 square inches

Step-by-step explanation:

A = S squared

A = 18 x 18

A = 324square inches

whats the opposite of -4

Answers

Answer:

The opposite of an integer and negative number is a positive integer number. In this case, the opposite of -4 is +4.

A)
What are the coordinates of the vertex C'
B)
What is the length of the side A'B'?

Answers

Answer:

(4 , 1)

Step-by-step explanation:

This is because to find the coordinate on a graph, it is written as ( x , y) and x is on 4 and y is on 1.

that's my opinion.

Nice question

WILL GIVE BRAINLIST IF ANSWERED CORRECTLY!!

Answers

Any transformation that leaves the sides and angles of flat figures unaltered is referred to as rigid transformation or isometry. Congruent pictures are produced by reflection in the plane, translations, rotations, or a combination of them.

What is meant by rigid transformations?

A transformation that maintains the size and shape of a geometric figure is known as a rigid transformation (or isometry). is a unique kind of transformation that doesn't alter a figure's size or shape.

Any transformation that leaves the sides and angles of flat figures unaltered is referred to as rigid transformation or isometry.Congruent pictures are produced by reflection in the plane, translations, rotations, or a combination of them.This suggests that two figures can only be said to be congruent if and only if a rigid transformation, or a combination of one or more rigid transformations, can map one planar figure onto another.

The complete question is:

Make a conjecture. How are rigid transformations and congruent figures related? Check all that apply

a) rigid transformations preserve segment lengths and angle measures.

b) Rigid transformations produce congruent figures.

c) If two figures are congruent, then there is a rigid transformation or a combination of rigid transformations that will map one onto the other.

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What is the value of x?

Answers

Answer:

x = 15

Step-by-step explanation:

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

3x - 5 is an exterior angle of the triangle, then

3x - 5 = x + 25 ( subtract x from both sides )

2x - 5 = 25 ( add 5 to both sides )

2x = 30 ( divide both sides by 2 )

x = 15

Answer:

40° and 115°

Step-by-step explanation:

x+3x-5+25°=180°(angle on a straight line)

4x+20=180°

4x=180°-20

4x=160°

x=160/4

x=40°

The other angle

3x-5=3(40)-5

120-5=115°

total

40°+25°+115°=180°

At the beginning of the month, Adam had 174.85 in his checking account. He wrote the following transactions in his checkbook for the month.. 58.00, -316.38, 102.96 What is Adams's account balance at the end of the month

Answers

Adam's account balance at the end of the month is 19.13 dollars.

The amount present in Adam's bank account at the beginning of the month is $174.85.

The transactions he wrote are,

58.00

-316.35

102.96

The Transactions which have positive sign are credit amount and the transaction with negative sign are debit amount.

We can write,

The balance at the end of the month = Initial balance present + Credit amount + debit amount

So, balance in Adam's account can be found by simple addition and subtraction,

Balance = 174.85 + 58.00 + 102.96 - 316.38

Balance = 335.81 - 316.68

Balance = 19.13

The amount in Adam's bank account at the end of the month is 19.13 dollars.

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Name the procedures you would use to solve an equation with variable terms on both sides such as 3x + 5 = 6x + 2.​

Answers

Answer:

x = 1

Step-by-step explanation:

Let's solve your equation step-by-step.

3x+5=6x+2

Step 1: Subtract 6x from both sides.

3x+5−6x=6x+2−6x

−3x+5=2

Step 2: Subtract 5 from both sides.

−3x+5−5=2−5

−3x=−3

Step 3: Divide both sides by -3.

−3x−3=−3−3

x=1

Answer:

x=1

Hope this helps! <3

Answer:

stuff, look to the explanation for your answers

Step-by-step explanation:

Procedures for the left side: dividing 3 and subtracting 5

Procedures on the left side: subtracting 2 and dividing by 6.

You do these procedures to both sides to get your answer.

10) Suppose the regression line for a set of data, y = 3x +b, passes through the point (2,5). If x and y are the sample means of
the x- and y-values, respectively, then y =
a) x
b) x-2
c) x +5
d) 3x
e) 3x -1

Answers

y = 3x - 1 is the equation in slope-intercept form.

What exactly does slope intercept mean?

A method of expressing a line's equation that makes it simple to identify the slope and y-intercept is known as the slope-intercept form.The point where the line is drawn the y-axis is known as the y-intercept, and the slope refers to how steep the line is.

y = 3x +b  passes through the point (2,5)

5 = 3 * 2 + b

5 = 6 + b

b = 5 -6

b = -1

y = 3x +b

y = 3x - 1 is the equation in slope-intercept form.

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This is the graph of a function in the form f(x) = a * b ^ x what is the function?

Answers

The given graph is of the function of the form y = 3(2ˣ )

What is function?

A function is a set of rules that assigns each element of a set a unique element of another set.

If f is a function and f(x) = x+2, then if we have to check x= 1 , y=3 put these values in y = x + 2 , 3 =1+2 (true)

Given that the graph of a function in the form y =f(x) = a b ˣ

From the graph in the question : The function passes through two points

(1,6) and  (0, 3 )

From point (0,3 ) it gives that  when x= 0 ⇒ y = f(x) =3

⇒ 3 = ab⁰

3 = a

From point (1,6) it gives that when x =1 then y = f(x) =6

⇒ 6= ab¹

⇒ 6 = 3 b

2 = b

Therefore, the given graph is of the function y = 3 ×2ˣ

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Solve each equation. Show solutions on number line |x-4|=1

Answers

The solutions to the equation are x = 5 and x = 3

How to solve the equation?

The equation is given as

|x - 4|= 1

The above equation is an absolute value equation

When the absolute value sign is removed from the equation, we have

x - 4 = 1 or x - 4 = -1

Add 4 to all sides of the equation

So, we have the following equations

x = 1 + 4 or x = 4 - 1

Evaluate

x = 5 or x = 3

This means that the value of the equation is x = 5 or x = 3

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Which value cannot represent the probability of an event occurring?
1/100
0.29
85%
3/2

Answers

Answer:   D) 3/2

Reason:

The fraction 3/2 converts to 1.5 in decimal form

This is larger than 1 which is not possible for probability values. They must be between 0 and 1 inclusive of both endpoints.

0 represents 0% chance the event happens (i.e. it's impossible to happen)1 represents 100% chance it happens (i.e. guaranteed certainty to happen)

Answer: 3/2

Step-by-step explanation: It will be 3/2 because 3/2 is 150 percent

Hope this helps!

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find the surface area of a square pyramid with side length 3km and slant height 5km \theta=310^\circ=310 WILL GIVE BRAINLIST IF ANSWERED CORRECTLY!! In Spanish choose 5 of these verbs and write a sentence with each one Which of these is best used for displaying frequency distributions when one or two categories make up a large proportion of the total?A. Pie chartB. Bar graphC. Comparative pie chartD. Comparative bar graph a realtor make 6% commission on each sale how much commission will the realtor earn for selling a $140,000 home What caused the large drop from 1933 to 1934? "Listen! That short hacking cough, that tiny, helpless wail..."Based on this quote and its context, describe the impact thattenement living had on children. How does he feel about being a "...subdivisional anti-European police officer of thetown, and in an aimless, petty kind of way anti-European feeling was very bitter."He feels lucky to have a jobHe is not proudHe is politically active what volume in liters of fluorine gas is needed to form 639 l of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 k: s(s) 3f(g) sf (g)? Final Grade An instructor gives four 1-hour exams and one final exam, which counts as three 1-hour exams. Find a student's grade if she received 66, 81, 99 and 86 on the 1-hour exams and 85 on the final exam. Round your answer to one decimal place if necessary. help meeeeeeeeeeee pleaseeeeeeeeeeeeee!! Ana has two plants. From Monday to Tuesday, plant A grew 5 cm more than plant B. If the sum of the length of the two plants on Tuesday is 41 cm, how long is each plant on Tuesday? 1. What would the slope of a line that is parallel to the line in the graph be?(4,3)X 12 is 58% of what number?Also can you explain how to solve these problems? the question is on the attachment full thing please to get brainlyist A)What are the coordinates of the vertex C'B)What is the length of the side A'B'? PLS HELP ME OUT I WILL MARK YOY BRAINLEIST IF CORRECT A storage bin has the shape of a cylinder with a conical top. What is the volume of the storage bin if its radius is r=5.4 ft, the height of the cylindrical portion is h=7.7 ft, and the overall height is H=16.7 ft? Enter the value of b when the expression 1/2x + b is equivalent to 1/4(2x+3)