Let f(x)= 2^x, g(x)=e^x, and h(x)= 4^x

(a) Use a difference quotient with increment 0.001 to estimate f'(0), g'(0), and h'(0).

(b) Compute f'(0), g'(0), and h'(0) usin Theorem 11 (The example given for theorem 11 is: (e^x)'=e^x; (b^x)'= b^x * lnb)

I missed the class for this lesson so I do not understand what to do