Topic 3 Test (Linear Functions)

How are you today?

What grade do you expect to earn on this test?

• A

• B

• C

• D

• I don't want to talk about it.

Please put your phone away and get a fancy graphing calculator.

• Phone away!

• Got the calculator!

Tags

CCSS.8.EE.C.7B

Remember how I told you I would give you a little refresher on the STAT menu? Well, here it is.

Question: If for some reason, you can't find r, what menu do you have to go to to turn on Stat Diagnostics?

• MODE

• STAT

• CALC

• EDIT

Which relation is a function?

• (1, 0), (3, 0), (1, 1), (3, 1) (1, 3)

• (1, 1), (2, 2), (3, 3), (4, 4), (5, 8)

• (2, 7), (6, 5), (4, 4), (3, 3), (2, 1)

• (9, −3), (9, 3), (4, −2), (4, 2), (0, 0)

Tags

CCSS.8.F.A.1

Identify the domain and range of the relation of the relation.

Groups:

(a) domain

,

(b) range

• 30

• 2

• 8

• -1

• 40

• 16

• 9

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Use the vertical line test to determine the best description of the relation in the following graph.

• a function

• a function that is one-to-one

• a relation that is not a function

Sabre works after school. Each day he earns a set amount, plus an hourly wage. Write a linear function, f, Sabre can use to determine his pay on any given day.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which is a reasonable domain for the function in the previous problem?

• 0 > x > 6

• 0 > x > 24

• 0 > x > 68

• 0 > x > 248

Based on the information from the previous question, assume Sabre works from 2:30 PM to 7:00 PM. How much would he earn?

Remember the equation is: f(x) = 10x+8

• $33

• $35.50

• $45

• $53

Tags

CCSS.HSF.LE.B.5