Posted by **Janet** on Sunday, February 13, 2011 at 9:48pm.

Evaluate the limits without using a calculator. Justify all steps in the solutions.

lim x-->0 x^7cos(3/x)

- calculus -
**bobpursley**, Sunday, February 13, 2011 at 9:51pm
the max cosine can ever be is -1 or 1, it is always between that, so cos (inf) is from -1 to 1. That is a finite number, multiplying it by 0^7 is zero, at least here in TExas

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