Science:Math Exam Resources/Courses/MATH100/December 2010/Question 04 (d)/Statement
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Full-Solution Problems. In questions 2-8, justify your answers and show all your work. If a box is provided, write your final answer there. Simplification of answers is not required unless explicitly requested.
Let
NOTE: Another notation for tan-1(x) is arctan(x)
Determine open intervals where the graph of ƒ is concave upwards or concave downwards, and the x-coordinates of all inflection points (if any).