1. Limits and Continuity

Find the limit.

$\lim_{x\rarr0}x^3+5x^2-7x+3$

Find the limit.

$\lim_{x\rarr2}\sqrt{x^2+5}$

Find the limit.

$\lim_{x\rarr3}\frac{x^2+2x-3}{x-2}$

Find the limit.

$\lim_{x\rarr0}\frac{3x^2+7x}{x}$