Match each function with corresponding restrictions to its domain when p(x) = 2x and q(x)=2*.

1) r(x)=q(x)/p(x)
2)r(x)=1/p(x)-q(x)
3)r(x)=1/p(x)+16q(x)
4)r(x)=p(x)°q)(x)
5)r(x)=q(x)/p(x)+2

Answers
x≠-1
All real numbers, no restrictions
x≠1, 2
x≠0
x≠-2