Thread: Describing the function
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Old December 24th, 2008, 04:25 PM
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Quote:
Originally Posted by calc_help123 View Post
For A I know how to find the limit using (f(x+h)-f(x))/h but I know there was an easier way to find it using the derivative and the derivative i got was
{[-x^3+x]/[(x^3-4x)^2(3x^2-4)]} + (3x-1)/(x^3-4x)
but I dont know where to go.
that is the limit for finding the derivative. the first question has NOTHING to do with that. take my advice for what to do. you simply want \lim_{x \to 0}f(x)

Quote:
Also for D I'm not certain but i think if f(x)=f(-x) its even
and if -f(x)=f(-x) its odd?
ok, so, do either of those fit this function?

do you know what kind of symmetry an odd function possesses? an even function?
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