Linear and Nonlinear Functions

Jenna earns $7.50 an hour at her part-time job. The graph shows how much Nora earns working at her job. How much will they earn if they each work 5 hours?

• Jenna: $37.50 Nora: $40.00

• Jenna: $40.00 Nora: $37.50

• Jenna: $45.00 Nora: $40.00

• Jenna: $45.00 Nora: $48.00

Tags

CCSS.8.EE.B.5

Brendan and his family are going to rent bicycles while they are on vacation. The costs to rent bicycles from two different companies are shown in the table and the graph. What is the cost to rent bicycles for 5 days?

• Island Bike Rentals: $80; The Bicycle Company: $80

• Island Bike Rentals: $100; The Bicycle Company: $85

• Island Bike Rentals: $80; The Bicycle Company: $70

• Island Bike Rentals: $100; The Bicycle Company: $80

Tags

CCSS.8.EE.B.5

A certain game and fun center charges a fee to rent the party room for birthday parties plus an additional fee per guest. The graph shows the total cost for several guests. Find and interpret the rate of change and initial value.

• Each guest costs an additional $12. The initial cost for the party room is $60.

• Each guest costs an additional $8. The initial cost for the party room is $60.

• Each guest costs an additional $12. The initial cost for the party room is $50.

• Each guest costs an additional $10. The initial cost for the party room is $50.

Tags

CCSS.HSF.IF.B.4

A dog trainer charges an initial consultation fee plus an additional hourly rate for obedience training. The graph shows the total cost for the consultation and hourly rates. Find and interpret the rate of change and initial value.

• The trainer charges $75 per hour. The initial consultation is $50.

• The trainer charges $75 per hour. The initial consultation is $75.

• The trainer charges $50 per hour. The initial consultation is $75.

• The trainer charges $100 per hour. The initial consultation is $100.

Tags

CCSS.HSF.IF.B.4

In a lab, a petri dish contains a bacterium that starts multiplying. The number of bacteria created per hour is shown in the table. Determine if the function is linear or not.

• neither

• nonlinear

• linear

• both

Tags

CCSS.8.F.A.3

For the Fall Festival students take wagon rides in hay around the neighborhood. Six students can fit into each wagon. Determine if the function is linear or not.

• neither

• linear

• nonlinear

• both

Tags

CCSS.8.F.A.3

Find the graph of y = 2x².

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Tags

CCSS.HSF-IF.C.7A

Find the graph of y = 3x² - 1.

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Tags

CCSS.HSF-IF.C.7A