4.2 Relations & Functions

Presentation

•

Mathematics

•

8th Grade

•

Easy

•

CCSS

8.F.A.1, HSF.IF.A.1, HSF.IF.B.5

Standards-aligned

Ashley Harshbarger

Used 18+ times

FREE Resource

7 Slides • 10 Questions

4.2 Relations & Functions

Learning Goals

I can identify functions.
I can find the domain and range of relations and functions.

Vocab

Relation: the set of ordered pairs
Domain: all the x-values of the ordered pairs
Range: all the y-values of the ordered pairs
Function: special type of relation. (no repeating x values)

Give the domain and range of each relation. Tell whether the relation is a function. Explain.

Multiple Choice

All of the y values or outputs are called what?

Domain

Range

Relation

Function

Multiple Choice

All of the x values or inputs are called what?

Domain

Range

Relation

Function

Multiple Choice

Is this mapping a function or not a function?

Function

Not a Function

Open Ended

What is the domain and range of the function?

Type response here

Give the domain and range of each relation. Tell whether the relation is a function. Explain.

Multiple Choice

Is this a function?

Yes

Multiple Choice

Is this mapping a function or not a function?

Function

Not a Function

Open Ended

What is the domain of the relation?

Type response here

Multiple Choice

Which relation is NOT a function?

{(1,-5), (3,1), (-5,4), (4,-2)}

{(2,7), (3,7), (4,7), (5,8)}

{(1,-5), (-1,6), (1,5), (6,-3)}

{(3,-2), (5,-6), (7,7), (8,8)}

Open Ended

What is the range of the relation?

Type response here

Multiple Choice

Is the relation a function? Why.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because the x-value 11 has two y-values pair with it.

No, because each x-value has only one y-value paired with it.

4.2 Relations & Functions

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