Practice problem
Which of the following is not in the domain of f(x)=11−1−xx+1f(x) = \frac{1}{1-\frac{1-x}{\sqrt{x+1}}}f(x)=1−x+11−x1?
−2-2−2
−1-1−1
000
111
Type a concept, like “slope” or “photosynthesis”.
