Question

(4x)/(x^(2)+4)...whats the critical point?

Answer 1

@Mertsj help please

Answer 2

did you find the derivative f'(x)? -> hint - you have to use the quotient rule.

Answer 3

Did you find f'(x)?

Answer 4

-8x^2/(x^2+4)^2

Answer 5

\[\frac{-4(x^2-4)}{(x^2+4)^2}\]

Answer 6

Set it equal to 0 and solve for x to find the critical points.

Answer 7

2,-2?

Answer 8

@lovesit2x Correct