Question

Maximum value of the function

f(x)=-x²-6x-17

Answer 1

Explanation:

y = -x^2 + 6x - 17

y = -(x^2 - 6x) - 17

y = -(x^2 - 6x + 9 - 9) - 17

y = -(x^2 - 6x + 9) - 17 + 9

y = -(x - 3)^2 - 8

The maximum value is -8 for x = 3.