The table below shows the cube roots of different numbers: Number
(x) 8 27 64 125
Cube root
(y) 2 3 4 5

Part A: Does the table represent y as a function of x? Justify your answer. (5 points)

Part B: The total cost f(x), in dollars, for renting a bike for x hours is shown below:

f(x) = 15 + 20x

What is the value of f(80), and what does f(80) represent? (5 points)

(10 points)

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?