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Let f(x) = {i -1, if x = 0 , if x #0 (a) Explain whether tangent exists to f at x = 0
Let f(x) = {i -1, if x = 0 , if x #0 (a) Explain whether tangent exists to f at x = 0 (b) Is f differentiable for all x?
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a The tangent to a function at a point is defined as the line th...
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
