Deshaun rented a truck for one day. There was a base fee of
$14.50
, and there was an additional charge of
8
cents for each mile driven. The total cost,
C
(in dollars), for driving
x
miles is given by the following function.
=Cx+0.08x14.50
What is the total rental cost if Deshaun drove
40
miles?
=Cx+0.08x14.50 is wrong, very wrong. Try
C(x) = .08 x + 14.50
C(40) = .08 (40) + 14.50
= 3.20 + 14.50
To find the total rental cost, we need to substitute the value of x with 40 in the given function C = 0.08x + 14.50.
So, plugging in x = 40 into the function, we get:
C = (0.08 * 40) + 14.50
= 3.20 + 14.50
= 17.70
Therefore, the total rental cost for driving 40 miles is $17.70.