Practice problem
Evaluate the following limit. limx→−75x2+32x−21x2−49\lim_{x\to-7} \frac{5x^2+32x-21}{x^2-49}x→−7limx2−495x2+32x−21
197\frac{19}{7}719
27\frac{2}{7}72
555
3849\frac{38}{49}4938
Type a concept, like “slope” or “photosynthesis”.