# Math Help - Derivative of function

1. ## Derivative of function

Ley $y=g(h(x))$ where $h(x)=x^2/(x+2)$. if $g'(9/5)=-2$,find $dy/dx$ where x=3.

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3. Originally Posted by ilovemymath
Ley $y=g(h(x))$ where $h(x)=x^2/(x+2)$. if $g'(9/5)=-2$,find $dy/dx$ where x=3.
Chain Rule