(02.05 MC) The price for digital downloads of music is represented by the linear function f(x) shown on the graph. The price for digital downloads of movies is represented by g(x) = 3x, where x is the number of movies downloaded and g(x) is the total cost in dollars. You want to make 2 downloads, and you have $6. Determine the least expensive option.

(02.03 MC) Choose the graph that correctly represents the equation 15x − 5y = 30.

(02.05 LC) Which of the following statements best describes the effect of replacing the graph of y = f(x) with the graph of y = f(x − 2)?

(02.04 LC) Choose the equation of the horizontal line that passes through the point (−5, 9).

(02.03 MC) Choose the graph that correctly represents the equation 3x + 9y = −18.

(02.05 MC) Compare the slopes of the linear functions f(x) and g(x) and choose the answer that best describes them. x g(x) 0 3 2 6 4 9

(02.02 MC) Given the function g(x) = 4x − 5, compare and contrast g(2) and g(−4). Choose the statement that is true concerning these two values.

(02.05 LC) Which of the following statements best describes the effect of replacing the graph of y = f(x) with the graph of y = f(x − 9)?

(02.03, 02.05 MC) The linear function f(x) = 0.9x + 79 represents the average test score in your math class, where x is the number of the test taken. The linear function g(x) represents the average test score in your science class, where x is the number of the test taken. x g(x) 1 78 2 79 3 80 Part A: Determine the test average for your math class after completing test 2. (2 points) Part B: Determine the test average for your science class after completing test 2. (2 points) Part C: Which class had a higher average after completing test 4? Show work to support your answer. (6 points)

(02.03, 02.05 MC) The linear function f(x) = 0.5x + 80 represents the average test score in your math class, where x is the number of the test taken. The linear function g(x) represents the average test score in your science class, where x is the number of the test taken. x g(x) 1 81 2 83 3 85 Part A: Determine the test average for your math class after completing test 2. (2 points) Part B: Determine the test average for your science class after completing test 2. (2 points) Part C: Which class had a higher average after completing test 4? Show work to support your answer. (6 points)