Relations and Functions — Unit test Answers

Which table represents a linear function?

Felix’s Feed Mill sells chicken feed for $8.00 per bag. This price is no longer high enough to create a profit. Felix decides to raise the price. He is considering four different plans.Plan A: Raise the price by $0.10 each week until the price reaches $12.00.Plan B: Raise the price by 10 percent each week until the price reaches $12.00.Plan C: Raise the price by the same amount each week for 8 weeks, so that in the eighth week the price is $12.00.Plan D: Raise the price by $0.25 each week until the price reaches $12.00.Which plan will result in the price of the feed reaching $12.00 fastest?

Barry’s Bagel Emporium sells a dozen bagels for $5.00. This price is no longer high enough to create a profit. The owner decides to raise the price. He does not want to alarm his customers with too large of an increase. He is considering four different plans.Plan A: Raise the price by $0.05 each week until the price reaches $8.00.Plan B: Raise the price by 10 percent each week until the price reaches $8.00.Plan C: Raise the price by the same amount each week for 6 weeks, so that in the sixth week the price is $8.00.Plan D: Raise the price by $0.25 each week until the price reaches $8.00.Which plan will result in the price of the bagels reaching $8.00 fastest?

The graph below shows two different deer populations over the same ten year period. Deer PopulationWhich of the following answers is the best description for the deer population with the greatest growth rate:

Which of the following best describes how the y values are changing over each interval?xy1428312416520

What kind of growth model (pattern) is shown in the table? xy152253125462553,125

Which table represents an exponential function?

The table below represents a function. x12345y116642561,024 Which statement would best describe the graph of the function?

The table below represents a function. x12345y612182430 Which statement would best describe the graph of the function?

What is the missing number in the table?x12345y636216???7,776

Which of the following best describes how the y values are changing over each interval?xy12024038041605320

Which graph represents a linear function?

Chen is given the graph below.What type of graph is shown, and what is the growth factor?

Which graph represents an exponential function?

The graphs of y = 4x and y = 4x are shown below. In general, how does the growth of y = 4x compare to the growth of y = 4x?

Mary creates a table of values for a function and plots the points. She finds that the difference in the y values is the same. What kind of function did she graph?

Margo is given the graph below.What type of graph is shown, and what is the growth factor?