NC.8.F.4 Exam Prep

A gym charges an annual membership fee plus a monthly rate. The table shows the total cost for being a member for various numbers of months. Which equation represents C(n), the total cost of gym membership for n months?

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NC.8.F.4

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NC.8.F.4

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NC.8.F.4

Which function represents this linear relationship?

(a)  

• y = x + 3
• y = 2x + 6

• y = x + 6

• y = x + 1

A printer has already printed a certain number of pages. It continues to print at a steady rate. The table shows the total number of pages printed over time. Which description of the slope of this relationship is true?

• The slope is 20 and represents the number of pages printed per minute.

• The slope is 20 and represents the number of minutes to print one page.

• The slope is 0.05 and represents the number of pages printed per minute.

• The slope is 0.05 and represents the number of minutes to print one page.

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NC.8.F.4

What is the slope of the line that passes through the points (−3,−1) and (5,7)?

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NC.8.F.4

The graph shows the number of pages a printer can print over time. What is the printer's unit rate (pages per minute)?

(a)  

• 160 pages per minute

• 40 pages per minute
• 20 pages per minute

• 4 pages per minute

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NC.8.F.4

Which function is represented by the table of values?

• y = x + 5

• y = -x - 5

• y = -x + 5

• y = x - 5

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NC.8.F.4

A gym charges a one-time membership fee of $50 and then $10 for each fitness class attended. If F is the total fee paid to the gym and c is the number of fitness classes attended, which expression below shows the total amount paid to the gym?

• F = 50c + 10

• F = 10c + 50

• F = 60c

• F = 10c

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NC.8.F.4