These tables represent a quadratic function with a vertex at (0, -1). What is
the average rate of change for the interval from x = 7 to x = 8?
A. -50
B. -65
C. -2
D. -15
Please help!

These tables represent a quadratic function with a vertex at 0 1 What is the average rate of change for the interval from x 7 to x 8 A 50 B 65 C 2 D 15 Please h class=