If y = 6x – 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? a) {(0, –4), (1, 2), (3, 14)} b) {(5, 20), (2, 10), (–1, –3)} c) {(–3, –15), (6, 25), (3, 5)} d) {(4, 18), (0, 10), (0, –2)}

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Which is a graph of a proportional relationship?