A Calculus Problem

In my Calculus class we were each assigned a simple problem by our professor and we were to solve it using Maple. Maple is a mathematics oriented computer software. After solving it we were required to display our results in an html document. This is my problem and I hope you find it interesting.

Section 4.5, Problem #13

Find the derivative of:

f(z)=z^(1/2)/e^z

In Maple I found the answer to be:

Here I have included a graph of the original function and then a graph of the derivative, in that order, so you can have a visual idea of my results: