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Mon 3 May, 2010 02:36 pm
Consider the function y = x ^2 sin x at x = π/2.
a. Is the function positive or negative? How do you know?
b. Determine if the function is increasing or decreasing. Show all of your work.
c. Determine the concavity of the function. Show work
@AQ,
You have a calculator ? Plug in some values for x and plot the graph.