7.

After determining the number of T-shirts and caps to purchase, the senior

class officers forgot to include shipping costs. The fabric textile company

charges shipping and handling fees according to the number of T-shirts and

caps purchased

One of the class officers writes the function f(n) = 20n + 275, where n is the

number of T-shirts purchased, and f(n) is the amount of money available to

spend on caps.

Which description does 20 represent in the class officer’s function? Select all

that apply.

A. the shipping cost

B. the cost per T-shirt

C. the rate of change in the graph

D. x-intercept

Ey-intercept