Please use instructions in pics to generate answers to question's #39 and 47 only.

Please show all work.

Thanks!

39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 and 52 a. Find the intervals of increase or decrease. I). Find the local maximum and minimum values. c. Find the intervals of concavity and the infection points. [1. Use the information from parts (a), (h) and (c) to sketch the graph. You may want to check your work with a graphing calculator or computer 39- f($) : 3:3 3:32 +4