Question

http://screensnapr.com/v/zNHTQ8.png

Answer 1

I get a,
limf(x)=infinity
x-->1

but for b?

Answer 2

as x approaches 0 i would assume it would by the same...
because it's not saying x(0)
if it was x(0) it would be
1

Answer 3

So both are limf(x)=infinity?

Answer 4

approach to 1: \[+-\infty\] (depends if it approaches from right or left
approach to 0: -1

Answer 5

Thanks :D

Answer 6

Gotta bust out the Good ol' ti-89 for my next problems -_-