1: show that f(x) = |x-1| + cos (x) = 3 is continious when x belongs to R. 2: Detirmine if the derived to the function f(x) = { x+ x(x-1)* sin( (1/(1-infinite ) ) if x != 1 { 1 if x = 1 exists in the point x=1 and find f'(1)
Last edited by mr fantastic; Oct 3rd 2011 at 02:12 PM. Reason: Re-titled.
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Originally Posted by testname12345 Bump. Really need help :/ Your #1 contains an error: the = should be + ? Tell us what you do not understand about that question. What have you tried?
Last edited by mr fantastic; Oct 3rd 2011 at 02:11 PM.
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