Functions and Relations Unit Review

Use the graph to write a linear function that relates y to x.

The table shows the number y lollipops made in x batches. What is the missing y-value that makes the table represent a linear function?

• 44

• 42

• 64

• 48

Use the table to write a linear function that relates y to x.

• y = x - 4

• y = -x + 4

• y = x + 4

• y = -x - 4

Is the relation a function?

• Yes, each input has exactly one output

• Yes, each output has exactly one input

• No, an input has more than one output

• No, an output does not have the same input

Use the graph to write a linear function that relates y to x.

Does the table represent a linear or nonlinear function?

• linear

• nonlinear

The table shows the number y of sport cars in x days. What is the missing y-value that makes the table represent a linear function?

• A)12

• B) 14

• C) 13

• D) 10

Use the table to write a linear function that relates y to x.

• y = x + 1

• y = -2x

• y = 2x

Which Equation Describes the function shown by the table?

Evaluate the function when x = -2, 3, & 9.

• g(-2)=-5, g(3)=7, g(9)=20

• g(-2)=5, g(3)=7, g(9)=20

• g(-2)=5, g(3)=-5, g(9)=-17

• g(-2)=11, g(3)=-5, g(9)=-17