Unit 3 Review - Functions

Does the graph represent a function?

• Yes

• No

• Sometimes

• Linear

Identify the domain of the relation:

{ (-2,5) (8,6) (3,12)}

• -2,3,5,6,8,12

• -2,3,8

• 5,6,12

• -2<x<8

Identify the function as linear or nonlinear:

• Linear

• Non-linear

• Not a function

Tags

CCSS.8.F.A.3

Does the relation represent a function?

{(2,3)(4,6)(2,7)}

• Yes

• No

• Sometimes

Tags

CCSS.8.F.A.1

Identify as discrete or continuous:

The cost of an amusement park is $18 to get in plus $3 per ride.

• Discrete

• Continuous

• Neither

Tags

CCSS.HSF-LE.A.1B

Identify the range of the relation:

{(-2,5)(8,6)(3,12)}

• -2,3,5,6,8,12

• -2,3,8

• 5<x<12

• 5,6,12

Write a function rule for the relation:

• y=2x

• x=2y

• y=x+2

• x=y+2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an explicit formula for the sequence:

18, 11, 4, -3

• A(n) = 7(n-1)+18

• A(n) = -7(n-1) +18

• A(n) = 18(n-1) - 7

• A(n) = 18(n-1) +7

Tags

CCSS.HSF.BF.A.2

f(x) = x² + 7

Find f(6)

• 43

• 19

• 42

• 29

Tags

CCSS.HSF.IF.A.2

Find the 87th term in the sequence:

A(n) = 3(n-1) - 9

• 273

• 255

• 252

• 249

Tags

CCSS.HSF.BF.A.2