HELP!!!!! ASAP!!! WILL GIVE %) POINTS AND BRAINLIEST!!!!!

8. The cost of renting a car for 1 day at Cheap-o Rentals is $39 plus 15 cents per mile driven. In a graph of the situation, what does the cost per mile driven represent?


A. The point of intersection
B. The slope
C. The y-intercept
D. The x-intercept