Х -7, -3, -5, 3, 9, 16, 20 y=f(x) 3, 4, 5, 1, 8, 7, 11
The table shown at the right gives y as a function of x, that is, y = f(x). Use the table to answer parts a through d below.
a. Is - 7 an input or an output of this function?
b. Is f(-7) an input or an output of this function?
c. State the domain and range of this function.
d. Explain why this relationship describes y as a function of x.

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