Question

Use the limit definition to compute the derivative of the function at
x = 5 f(x) = 4x−1
f '(5) =

Answer 1

\[\lim_{h \to 0} {f(5+h)-f(5) \over h}\]\[=\lim_{h \to 0} {[4(5+h)-1]- [4\cdot5-1]\over h}\]