Aroller coaster has a height of 325 feet before its first hill, and the bottom of the hill is 30 feet off the ground. what is the height of the drop?

0.02040816326

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).