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 greater than zero for $x$ near $4$ to the right, the function decreases without bound.

$- \infty$