Question

What is the equation of the following graph?

Answer 1

A. f(x) = -x^2 - 16x - 63

B. f(x) = x^2 - 16x + 63

C. f(x) = x^2 + 16x + 63

D. f(x) = -x^2 + 16x - 63

Answer 2

C

Answer 3

as the function is increasing, like what I wrote, so the sign of x^2 is positive.