Pregunta: Evaluate the following limits at Infinity1.) limx→∞1x2-7x+1bi.2.) lim?2x2+3x→-∞2x2+7?3.) lim?x2+4x+42x→∞x+42x+42limx→-∞x2-7xx+1limx→∞2x+35x+7limx→-∞x2-4x+83x3lim?(-2x3+3)x→-∞limx→∞x2+99x2+12limx→∞x2+42x2limx→-∞1-x2x2+1

Evaluate the following limits at Infinity

$1.)\underset{x\to \infty }{lim}\frac{1}{x^2-7x+1}$

bi$.$

$2.)\underset{?}{lim}2x^2+3$

$x\to -\infty \frac{2x^2+7}{?}$

$3.)\underset{?}{lim}\frac{\sqrt[\phantom{2}]{x}+4}{\sqrt[\phantom{2}]{x+4}}$

$x\to \infty \frac{\sqrt[\phantom{2}]{x+4}}{\sqrt[\phantom{2}]{x+4}}$

$\underset{x\to -\infty }{lim}\frac{x^2-7x}{x+1}$

$\underset{x\to \infty }{lim}\frac{2x+3}{5x+7}$

$\underset{x\to -\infty }{lim}\frac{x^2-4x+8}{3x^3}$

$\underset{?}{lim}(-2x^3+3)$

$x\to -\infty$

$\underset{x\to \infty }{lim}\sqrt[\phantom{2}]{\frac{x^2+9}{9x^2+1}}$

$\underset{x\to \infty }{lim}\frac{\sqrt[\phantom{2}]{x^2+4}}{\sqrt[\phantom{2}]{x}}$

$\underset{x\to -\infty }{lim}\frac{1-x^2}{x^2+1}$