Find the derivative. f(x)=/e^x

How do you answer this question? (step by step)

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

To determine the number of deer in a forest a forest ranger tags 280 and releases them back