Derivatives · Exercise 144

Find the derivative of each of the functions using the definition: $\underset{h\to 0}{\lim }\frac{f\left(x+h\right)-f\left(x\right)}{h}$

$f\left(x\right)=2x-8$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Precalculus 2e · §12.4 Derivatives · Exercise 144