Practice problem
Compute limx→4x2−3x−4(x−4)(x+1)\displaystyle\lim_{x \rightarrow 4} \frac{x^2 - 3x - 4}{(x-4)(x+1)}x→4lim(x−4)(x+1)x2−3x−4.
−7-7−7
111
555
Undefined
Type a concept, like “slope” or “photosynthesis”.