If f(x)=x2f(x) = x^2f(x)=x2 and g(x)=\rtxg(x) = \rt{x}g(x)=\rtx, what is the domain of (g\rcf)(x)(g \rc f)(x)(g\rcf)(x)?
All real numbers
x\q0x \q 0x\q0
x>0x > 0x>0
No solution