Mini Quiz #13 Practice

What is a function?

• A relation that maps every domain value to exactly one range value.

• A relation that maps every range value to exactly one domain value.

• Any set of ordered pairs.

• Any graph of x and y values.

Tags

CCSS.8.F.A.1

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Evaluate y = 6x - 9, if x = 5

• 21

• 39

• -4

• 24

Evaluate y = -2x + 25, if x = 5

• 60

• 35

• -15

• 15

Evaluate y = -9x - 14 , if y = 4

• -2

• 2

• -50

• 50

Evaluate y = 2x - 2 , if y = -8

• -5

• -18

• -3

• 22

Evaluate y = -x + 3 , if x = -2

• -1

• 5

• -7

• -5

For the function y = x² - 4 find y if x = -3.

• -7

• -10

• 5

• 10

Which of these is NOT the same

• Range

• Input

• Output

• Y-Value