Solved: Let (a) Show that is continuous at . (b) Investigate graphically whether is
Chapter 4, Problem 90(choose chapter or problem)
Let (a) Show that is continuous at . (b) Investigate graphically whether is differentiable at by zooming in several times toward the point on the graph of . (c) Show that is not differentiable at . How can you reconcile this fact with the appearance of the graphs in part (b)?
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