Limits at Infinity...1

Calculus
Section 2.6

 

question was: as x->∞

answer:
.....∞^3=∞

as x->-∞, answer is (-∞)^3=-∞

 

Hi Mira.

The question is two-fold. Are you saying to simply replace x (whatever the variable happens to be) with either -infinity or infinity? Can you this be done considering that infinity is not a number?

 

Apply Infinity Property:
lim ( ax^n+.....+bx+c ) as x->∞ =∞ , a>0, n is odd
in your case a=1, n =3

 

I didn't know about that property.