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Mathematics 9 Online
OpenStudy (anonymous):

Please help f(x)=\sqrt{x ^4-16x ^{2}} Let f be the function given by a) Find the domain of f. b) Find f '(x) c) Find the slope of the line normal to the graph of f at x = 5

OpenStudy (mertsj):

Why do we keep having this problem over and over ?

OpenStudy (anonymous):

our teacher told us to do this question over break

OpenStudy (anonymous):

Please help me with this question!!!

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