Practice problem
limx→3f(x)=(3)/(9−x2)−(x)/(9−x2)\lim_{x \rightarrow 3} f(x) = (3)/(9-x^2) - (x)/(9-x^2)limx→3f(x)=(3)/(9−x2)−(x)/(9−x2)
1/6
6
-9
Undefined
Type a concept, like “slope” or “photosynthesis”.