Practice problem
Evaluate the following expression: limx→2x−2x2−4\lim_{x \to 2} \frac{x-2}{x^2-4}limx→2x2−4x−2
0
∞\infty∞
14\frac{1}{4}41
12\frac{1}{2}21
Type a concept, like “slope” or “photosynthesis”.