Question

A phone company charges for service according to the formula: C(n) = 27 + 0.03n, where n is the number of min 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: ​

Answer 1

0.03

27

Explanation:

Use the formula y=mx+b

m= slope

b= y-int

Rate of change can also be interpreted as the slope.

0.03

The initial value can be interpreted as the y-intercept.

27