Calculus Examples

$lim_{x \to 4^{-}} \frac{3 - x}{x^{2} - 2 x - 8}$

Step 1

Since the numerator is negative and the denominator $x^{2} - 2 x - 8$ approaches zero and is less than zero for $x$ near $4$ to the left, the function increases without bound.

$\infty$