Introduction to Functions

Question 1

Jillian walked 0.5 miles before she started jogging at an average pace of 5 miles per hour. The equation d = 0.5 + 5t can be used to relate the total distance, d, in miles to the time, t, that Jillian spent jogging. What are the independent and dependent variables?

Revolt · Accepted Answer

The independent variable is time and the dependent variable is distance.

Question 2

Which graph represents a function?

Revolt · Accepted Answer

Option D

Question 3

Determine the domain and range of the given function. The domain is . The range is .

Revolt · Accepted Answer

all real numbers; Selection 1: all real numbers; Selection 2: all real numbers greater than or equal to –2

Question 4

Question 5

Revolt · Accepted Answer

X {y: y = –2, –1, 0, 1, 2}

Question 5

Which ordered pair could be removed to make this relation a function?

Revolt · Accepted Answer

(4, –2)

Question 6

Which statements are true of functions? Check all that apply.

Revolt · Accepted Answer

All functions have a dependent variable.; All functions have an independent variable.; A horizontal line is an example of a functional relationship.

Question 7

Which represents a function?

Revolt · Accepted Answer

Option B

Question 8

Consider a function that describes how a particular car’s gas mileage depends on its speed. What would be an appropriate domain for this function?

Revolt · Accepted Answer

0 to 100 miles per hour

Question 9

What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function? The value of x can be . The value of y can be .

Revolt · Accepted Answer

any real number except 5; Selection 1: any real number except 5; Selection 2: any real number

Question 10

Question 17

Revolt · Accepted Answer

any real number

Introduction to Functions Answers

More from this Course

TRY EDGENUITY HACKS