Practice problem
limx→4f(x)=(x2−3x−4)/(x−4)\lim_{x \rightarrow 4} f(x) = (x^2 - 3x - 4)/(x-4)limx→4f(x)=(x2−3x−4)/(x−4)
-7
1
5
Undefined
Type a concept, like “slope” or “photosynthesis”.