Practice problem
Given f(x)=12x+3f(x)=\frac{1}{2}x+3f(x)=21x+3 and g(x)=x+1g(x)=x+1g(x)=x+1, what is limx→4f(x)g(x)\lim_{x\to4} \frac{f(x)}{g(x)}limx→4g(x)f(x)?
54\frac{5}{4}45
111
555
333
Type a concept, like “slope” or “photosynthesis”.