Algebra Unit 4 Mid

What variable represents the domain?

• x

• y

• d

• r

A relation where each x value has exactly one y value is a

• range

• inequality

• function

• equation

The table represents the equation p = n x 3.

Use the equation to find the unknown in the table.

• 13

• 27

• 21

• 30

Is this a function?

• YES

• NO

Is this a function?

• Yes, one output for each input

• No, look at the -3's

• It depends

• Not enough information

Is this a function?

• Yes, one output for each input

• No, multiple y-values for an x-value

• It depends

• Not enough information

Given f(x) = 3x + 7, find f(5).

• 15

• 22

• 42

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

• F
• G
• H
• J

Solve x²-x-12=0 by factoring.

• {3, -4}

• {6, -2}

• {-3, 4}

• {-1, 12}