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In calculus (a branch of mathematics), a differentiable function of one real variable is a function whose derivative exists at each point in its domain.
PROBLEM 8 : Use the limit definition to compute the derivative, f'(x), for . Click HERE to see a detailed solution to problem 8. PROBLEM 9 : Assume that Show that f is differentiable at x=1, i.e., use the limit definition of the derivative to compute f'(1) . Click HERE to see a detailed solution to problem 9.