Functions Review

Functions can have how many outputs for every input?

• No outputs

• One output

• Two outputs

• As many outputs as I want!

Tags

CCSS.8.F.A.1

Functions can be represented by which of the following?

• Ordered Pairs

• Expressions

• Mapping Diagrams

• Graphs

• Function Rules

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following ordered pairs is not a relation for the following mapping diagram.

• (4, -3)

• (2, 1)

• (0, 1)

• (2, -2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The following mapping diagram is a representation of a function.

• True

• False

Tags

CCSS.8.F.A.1

The following mapping diagram is a representation of a function.

• True

• False

Tags

CCSS.8.F.A.1

What function rule would represent the phrase "The output is four less than the input?"

• y = 4 - x

• x = y - 4

• x = 4 - y

• y = x - 4

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

What function rule would represent the phrase "The output is eight less than three times the input?"

• y = 3x - 8

• y = 3x + 8

• x = 8 - 3x

• x = 8 + 3x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

What is the value of y = 7x - 4 when x = 3?

• y = 25

• y = 17

• y = 21

• y = -7

Tags

CCSS.6.EE.C.9

What is the value of y = 3(2x + 6) when x = 2?

• y = 24

• y = 28

• y = 26

• y = 30

Tags

CCSS.6.EE.A.2C

The following function rule is a representation of a linear function.

• True

• False

Tags

CCSS.8.F.A.3