Practice problem
Evaluate limx→0(4+x)−1−4−1x\lim_{x\to0}\frac{(4+x)^{-1}-4^{-1}}{x}x→0limx(4+x)−1−4−1
−120-\frac1{20}−201
−116-\frac1{16}−161
−14-\frac14−41
DNE\text{DNE}DNE
Type a concept, like “slope” or “photosynthesis”.
