3. Use the definition of the derivative f'(a) = lim limit results. h0 h to compute f'(3) for the following functions. Then match the functions with their graphs shown below using your f(a+h)-f(a) (a) f(x)=(x-3)+2 (b) f(x) = (x-3)+2 (c) f(x) = x - 3|+2