# Foundations Of Functions Test Review

13 Questions | Total Attempts: 165  Settings  Select the correct choice for each of the following questions and score a perfect!

• 1.
Buffalo Wings-R-Us is running a promotion on their rib baskets for \$5.00 each.  Shelby decided to use her \$50 gift card to buy rib baskets for herself and her friends.  This situation can be represented by the equation g = 50 – 5r. Which of the following statements is NOT true for this relationship?
• A.

As the number of rib baskets purchased increases, the amount of money remaining on the gift card decreases.

• B.

The number of rib baskets depends on the amount of money left on the gift card.

• C.

The variable g in the equation represents the amount of money left on the gift card.

• D.

The ordered pair (6, 20) fits this scenario and equation.

• 2.
Buffalo Wings-R-Us is running a promotion on their rib baskets for \$5.00 each.  Shelby decided to use her \$50 gift card to buy rib baskets for herself and her friends.  This situation can be represented by the equation g = 50 – 5r. What does the ordered pair (10, 0) mean in this relationship?
• A.

If Shelby purchases 0 rib baskets, she will have \$10 remaining on her gift card.

• B.

If Shelby purchases 0 rib baskets, she will have \$40 remaining on her gift card.

• C.

If Shelby purchases 10 rib baskets, her gift card will be worth \$10.

• D.

If Shelby purchases 10 rib baskets, her gift card will be worth \$0.

• 3.
Buffalo Wings-R-Us is running a promotion on their rib baskets for \$5.00 each.  Shelby decided to use her \$50 gift card to buy rib baskets for herself and her friends.  This situation can be represented by the equation g = 50 – 5r. Predict what would happen if Shelby purchased 15 rib baskets?
• A.

She would have \$7 remaining on the gift card.

• B.

She would have \$35 remaining on the gift card.

• C.

She would have overspent by \$15.

• D.

She would have overspent by \$25.

• 4.
Which relationship below describes a positive correlation?
• A.

The amount of time I exercise and the calories that I burn.

• B.

The number of times I brush my teeth each day and the number of cavities I have.

• C.

The age of a tadpole and the length of its tail.

• D.

The amount of time I spend studying and number of cupcakes I eat.

• 5.
The scatterplot below shows the test scores and hours of study for a sample of college students. About how many hours of study should a college student expect to spend to earn a test score of 90?
• A.

25 hours

• B.

40 hours

• C.

30 hours

• D.

35 hours

• 6.
The scatterplot below shows the test scores and hours of study for a sample of college students. If a student spends 26 hours studying, what test score should he expect to earn?
• A.

Between 85 and 95

• B.

Between 75 and 85

• C.

Between 65 and 75

• D.

Not enough information is given to determine the test score

• 7.
The scatterplot below shows the test scores and hours of study for a sample of college students. A student wants to earn a test score of 95.  Predict how many hours he should expect to study.
• A.

• B.

• C.

• D.

• 8.
Jason rides his bike at a rate of 12 miles per hour for 36 miles as shown in the graph below Which of the following statements is NOT true about this scenario?
• A.

The domain is from 0 to 3 hours, inclusive

• B.

The range is from 0 to 36 miles, inclusive.

• C.

The data for this scenario is continuous.

• D.

The data for this scenario is discrete.

• 9.
Michelle needs to sell 8 magazine subscriptions to attend the fundraising party and she plans to only sell 8 magazines.  Each subscription costs \$10.  The graph below shows this relationship Which of the following statements is true about this relationship?
• A.

The data for this relationship is continuous.

• B.

The data for this relationship is discrete.

• C.

The domain is \$0 to \$80, inclusive.

• D.

The range is 0 to 8 magazines, inclusive.

• 10.
Abby took a trip to see her aunt and uncle in Lubbock, Texas.  The graph below represents her trip.         Which of the following describes the correct domain and range for the situation above?
• A.

Domain: The distance is from 0 to 600 miles. Range: The time is from 0 to 10 hours.

• B.

Domain: The time is from 0 to 10 hours. Range: The distance is from 0 to 600 miles.

• C.

Domain: The time is from 0 to 11 hours. Range: The distance is from 0 to 600 miles.

• D.

Domain: The time is from 0 to 11 hours. Range: The distance is from 0 to 400 miles.

• 11.
Austin collected the data below in a survey he conducted with 9th graders. If he entered the data into the lists of his graphing calculator, which window settings would be  appropriate for his survey data?
• A.

X min = 50, x max = 75, y min = 0, y max = 15

• B.

X min = 60, x max = 75, y min = 5, y max = 10

• C.

X min = 0, x max = 65, y min = 0, y max = 10

• D.

X min = 0, x max = 15, y min = 50, y max = 75

• 12.
The scatterplot below shows the gas mileage and weight of different vehicles.  Which of the following is the best interpretation of this scattterplot?
• A.

As the weight of the vehicle increases, the gas mileage stays the same.

• B.

Vehicles that weigh the least seem to have higher gas mileage.

• C.

Vehicles that weigh the most seem to have higher gas mileage.

• D.

As the weight of the vehicle decreases, the gas mileage stays the same.

• 13.
Which of the following are the domain and range for the graph shown below?
• A.
• B.
• C.
• D.
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