state the practical meaning of the slope and y-intercept for the situation described.

the cost, in dollars, of a one-day car rental is given by c=25+0.15x where x is the number of miles driven.

a.
$0.15 is the cost per day to rent the car and $25 is the cost per mile.
c.
$15 is the cost per day to rent the car and $0.25 is the cost per mile.
b.
$25 is the cost per day to rent the car and $0.15 is the cost per mile.
d.
$25 is the cost per day to rent the car and $15 is the extra cost for unlimited miles.