I have to tell weather f(x) is some real number or non existent. Then list any horizontal asymptotes.

1. f(x) = e^-2x sin(x)

2. f(x) = e^ 2x sin(x)

3. f(x) = tan^-1 (3x^3+4x-100)

Thanks!

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- Sep 28th 2009, 10:14 PMKay77Horizontal asymptotes/limits
I have to tell weather f(x) is some real number or non existent. Then list any horizontal asymptotes.

1. f(x) = e^-2x sin(x)

2. f(x) = e^ 2x sin(x)

3. f(x) = tan^-1 (3x^3+4x-100)

Thanks!