Question

The vertex of the function graph is given. Find c. Y= c-x^2-2x;(-1,3)

Answer 1

c = 2

Explanation:

(x, y) = (-1, 3)

3 = c - (-1)^2 - 2(-1)

3 = c - 1 + 2

3 = c + 1

2 = c