a car company charges a flat fee of $105 and an additional $5 per mile for the rental of its cars. Which function gives the cost of renting a car for x miles.
The function that gives the cost of renting a car for x miles is:
C(x) = 5x + 105
Where x is the number of miles and C(x) is the total cost in dollars. The $105 flat fee is added as a constant to the variable cost of $5 per mile.