if h(x)= f(g(x)), the what's h'(2)=...?f(2)=f(4)=g'(2)=g'(4)=2 g(2)=g(4)=f'(2)=f'(4)=4  f' and g' is the first diferensial

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hala718 | High School Teacher | (Level 1) Educator Emeritus

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h(x)= f(g(x))

==> h'(x)= g'(x) * f'(g(x))

==> h'(2)= g'(2) * f'(g(2))

==> h'(2)= 2 * f'(4)

==> h'(2)= 2* 4 = 8

==> h'(2)= 8

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