For starters, you have a serious typo. Is the polynomial under the radical , , or ? You interchange among all three in your question.
Secondly, rewrite where , and you can derive using the chain rule:
#1. Find the derivative of the function.
#2. State the interval where the function is differentiable and calculate the derivative.
here is my attempted solution so far:
For , the domain is So,
I am also stumped at how to solve the second part of this question. Thanks for any help!