9.2 Integrating to Infinity

Checkpoint 2

Find each of the following limiting values. You may use your graphing tool to graph the functions.

(a) `lim_(x->oo) x^(-1//2) ` (b) `lim_(x->oo) (2x^2-1)/(x^2+7` (c) `lim_(x->oo) (cos x)/x^2`