Given:

f(x) = 3x

By using the derivative formula,

\( \lim\limits_{h \to 0} \dfrac{3(2+h)-3\times 2}{h}\)

\( \lim\limits_{h \to 0} \dfrac{3h+6-6}{h}\)

\( \lim\limits_{h \to 0} \dfrac{3h}{h}\)

Hence,

Derivative off(x) = 3x at x = 2 is 3

Answered by Aaryan | 1 year ago