TCAP Review 1 (8.F) Functions

The typing rate for Marsha is shown in the graph. The typing rate for Clay is shown in the table. Based on this information, which statement is true?

• Clay types at a rate of 16 words per minute, which is faster than Marsha.

• Marsha types at a rate of 16 words per minute, which is faster than Clay.

• Clay types 2 more words per minute than Marsha.

• Marsha types 2 more words per minute than Clay.

Tags

CCSS.8.EE.B.5

For $1200, a business can post an advertisement for 30 days. For $1500, the advertisement will be posted for 60 days. The relationship comparing cost to days is linear. Which function can be used to model the relationship between cost, y, and the number of days, x, that an advertisement will be posted?

• y = 300x + 1200

• y = 1200x + 300

• y = 10x + 900

• y = 900x + 10

Tags

CCSS.HSF-BF.A.1A

Which equation represents a linear function?

Tags

CCSS.8.F.A.3

Which sets of ordered pairs represent a function?

• (1,1) , (1,2) , (1,3) , (1,4)

• (1,1) , (2,2) , (3,3) , (4,4)

• (1,1) , (2,1) , (3,1) , (4,1)

• (1,4) , (2,4) , (1,3) , (2,3)

• (1,4) , (2,2) , (3,1) , (4,3)

Tags

CCSS.8.F.A.1

A cell phone company charges $20 for a customer to open a new account and $35 for each month of phone service. What linear function represents the total cost, y, a new customer would pay for x months of service.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which graph represents a function?

• 
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• 
• 

Which graph represents the water level in the tank?

• 
• 
• 
• 

Tags

CCSS.HSF.IF.B.4

Which two statements are true?

• The rate of change of the linear function is 3.

• The rate of change of the linear function is 2.

Tags

CCSS.HSF-LE.A.1B

What is the meaning of the point (0.5, 0) on the graph?

• The tree grew at a rate of 0.5 foot per year.

• The tree was 0.5 foot tall when it was planted.

• Jacob planted the seed 0.5 foot below the ground.

• The tree started growing above ground 0.5 year after Jacob planted the seed.

Tags

CCSS.HSF.IF.B.4

Which statement best explains segment C of Ella's trip?

• Ella stops and waits for the bus.

• Ella walks to the bus stop at a slow, constant speed.

• Ella rides the bus to the library, moving at a faster, constant speed.

• Ella quickly walks to the library at a constant speed after getting off the bus.

Tags

CCSS.HSF.IF.B.4