select an answer choices Dollars Minutes Minutes per dollars

select an answer choices:
Dollars
Minutes
Minutes per dollars
Dollars per minutes

A phone company charges for service according to the formula: C(n) 28 + 0.07n, where n is the number of minutes talked, and C(n) is the monthly charge, in dollars. The rate of change in this equation is: The initial value in this equation is: Select an answer

Solution

a) Rate of change in this equation is 0.07 (Dollars per minute )

B) Initial value in this equation is 28 Dollars