Answer to Question #76748 in Calculus for Vyea

Question #76748

1) By using the formula, f^' (x)=lim┬(z→x)⁡〖(f(z)-f(x))/(z-x)〗, find the derivatives of the following functions.

a) f(x)=1/(x+2)
b) f(x)=1/((x-1)²)
c) g(x)=x/(x-1)
d) g(x)=1+√x

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