Question

PLEASE HELP ON MATH!

Beth's monthly charge for Internet access c is represented by the function c = 12 + 2.50h, where h represents the number of hour of usage during a month. What is the total charge for a month in which Beth used the Internet for 9 hours?

a. $39.95
b. $34.50
c. $27.00
d. $22.50

Answer 1

The answer is $34.50, trust me I had it on a test and that was the answer.

Explanation:

Answer 2

B. Substitute 9 hours for h. So 2.50 x 9= 22.5+12= 34.50