Question

A car rental company's standard charge includes an initial fee plus an additional fee for each mile driven. The standard charge
S
(in dollars) is given by the function
=S+0.40M17.75
, where
M
is the number of miles driven.

The company also offers an option to insure the car against damage. The insurance charge
I
(in dollars) is given by the function
=I+0.15M4.80
.

Let
C
be the total charge (in dollars) for a rental that includes insurance. Write an equation relating
C
to
M
. Simplify your answer as much as possible.

Answer 1

PLS HELP