Functions Review 8th Grade

Typically, the x-value in a function is called the

• Expression

• Axis

• Input

• Variable

• Output

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A function is a mathematical rule that

• Has one or more exponential expressions

• Sends every input to only one output

• Can be graphed as a straight line

• Sends every output to only one input

Tags

CCSS.8.F.A.1

A relation is not a function if

• The graph of the relation is not straight

• An output matches more than one input

• One input is sent to two different outputs

• It is represented by a table

• It has two variables

Tags

CCSS.8.F.A.1

Which of the following ways can a function be represented? Select all that apply.

• A collection of points

• A table

• An equation

• A graph

• A polygon

Typically, the y-value in a function is called the .

• Variable

• Output

• Axis

• Input

• Expression

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

State the domain for the set of points.

{(8, 8), (5, 7), (-4, 8), (4, 8)}

• Domain = {-4, 4, 5, 8}

• Domain = {7, 4, 5, 8}

• Domain = {-7, 4, 5, 8}

• Domain = {-8, 4, 5, 8}

State the domain for the set of points.

{(-38, -7), (29, -76), (-69, -28), (-64, 9), (29, -7), (-69, -76)}

• Domain = {-69, -64, -7, 29}

• Domain = {-38, 9, -69, 29}

• Domain = {-38, -76, -69, 29}

• Domain = {-69, -64, -38, 29}

State the domain for the set of points.

{(11, -96), (-56, -96), (166, -136)}

• Domain = {-56, -136, 166}

• Domain = {-136, 11, 166}

• Domain = {-56, 11, -96}

• Domain = {-56, 11, 166}

State the range for the set of points.

{(167, 183), (-58, 175), (173, 141), (-49, 141)}

• Range = {167, 175, 183}

• Range = {-58, 175, 183}

• Range = {141, 175, 183}

• Range = {141, -49, 183}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

State the range for the set of points.

{(-40, -105), (2, 84), (-62, 71), (30, -94), (-20, 71), (-40, -110)}

• Range = {-110, -105, -94, 71, 84}

• Range = {-62, -110, -94, 71, 84}

• Range = {-105, -110, -94, 71, 30}

• Range = {-105, -40, -94, 71, 84}