Review! (Functions)

Is this relation a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function 

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Identify the domain of the following relation:

• -6, 14, 2, 28
• (-6,14), (0,32), (2,38), (4,44)
• -6, 0, 2, 4
• 14, 32, 38, 44

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Tags

CCSS.HSF.IF.A.2

f(x)=x+3

f(x) = -5

• -2

• -1

• -8

• 7

Tags

CCSS.HSF.IF.A.2

Evaluate f(33)

• 33
• 11
• 10
• 8

Tags

CCSS.HSF.IF.A.2

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Jerome has $150 in his savings account and saves $40 per month. Write a linear function J(x) that will tell us the money Jerome has in his savings account after x months.

• J(x) = 150 + 40

• J(x) = 40x + 150

• J(x) = 150x + 40

• J(x) = 40 + 150

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plumber charges $50 for a house call plus $12 per hour for labor. The linear function P(x) represents the cost of the plumber for x hours.

P(x) = 50 + 12x

Find P(4)

• $86

• $98

• $110

• $74

Tags

CCSS.HSF.LE.B.5