calculus
posted by Janet on .
Evaluate the limits without using a calculator. Justify all steps in the solutions.
lim x>0 x^7cos(3/x)

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

142.6+2