Suppose that f (x) = x·g(x) for some function g that is continuous at 0. Prove that f is differentiable at 0, and find f'(0) in terms of g.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
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Suppose that f (x) = x·g(x) for some function g that is continuous at 0. Prove that f is differentiable
at 0, and find f'(0) in terms of g.
Transcribed Image Text:Suppose that f (x) = x·g(x) for some function g that is continuous at 0. Prove that f is differentiable at 0, and find f'(0) in terms of g.
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