Part A. If a function f has a derivative at x not. then f is continuous...

Part A. If a function f has a derivative at x not. then f is continuous at x not. (How do you get the converse?)

Part B. 1) There exist an arbitrary x for all y (x+y=0). Is false but why?

2) For all x there exists a unique y (y=x^2) Is true but why?

3) For all x there exist a unique y (y^2=x) Is true but why?

Expert Solution

Colby Messinger answered 2 years ago

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Part A. If a function f has a derivative at x not. then f is continuous...

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