Find the domain of y where y(x) =
$$\frac{\sqrt{7+x}}{2-x}$$.
Answer using interval notation. If you need to enter ∞, you can type inf or infinity. If you need to union two (or more) intervals, use the letter U. For example,
to enter (-∞, 5) U (5, 10] you can type (-inf,5) U (5,10).