8. Mr. Rogers recycles his plastic bottles every month to save for his vacation to Lake Tahoe. He gets $30 per month and he already had $203 that he received for his birthday.
a.
What is the rate of change for this problem in context:
b.
Write an equation that models the situation:
c.
Find f(15). Explain what the answer means.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp