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Q2(0 points)

By December 15, 2021No Comments

Q2(0 points)cos(2x)Letf()22sin(2)on the interval[-元,(a)Find all critical points and classify them.Express the critical points in the form (a,f(a))Show all your work(b)Find the global maximum and global minimum of f in the given interval.Justify your answer.(c)Determine all intervals of concavity.Show all your work.(d)Sketch the graph of f(x)by hand (do not show steps,just a sketch of the final graph)