Relations and Functions

A horizontal line on a graph is a function. True or False.

• True

• False

Tags

CCSS.HSF.IF.A.1

A vertical line is a function. True or False.

• True

• False

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

Why isn't a vertical line a function?

• A vertical line is not a function because for any y-value , the x value always changes.

• A vertical line is not a function because the x value always changes for any y- value.

• A vertical line is not a function because the x-value never changes for any y- value.

Tags

CCSS.HSF.IF.A.1

For the order pairs: ( 3, 8), ( 5, 4), (1, 9) , and (2, 7). List the domain.

• D: {4, 7, 8, 9}

• D: {1,2,3,5}

What is the range of this function? (3,5) (-3,4), (1, 9), and (4,7)

• R: {-3, 1, 3. 4}

• R: {4, 5, 7, 9}

• R: {1,2,3,9}

Tags

CCSS.HSA.REI.D.10

The domain is the input or x- values of a table and graph.. True or False.

• True

• False

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

The domain or input is the independent variable. True or False

• True

• False

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

The range is the dependent variable or output. True or False.

• True

• False

Tags

CCSS.HSF.IF.A.1

A relation can be represented as

• graph

• table

• mapping

• ordered pairs

This is a function. True or False.

Hint: Use the vertical line test.

• True

• False

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1