Let f(x)=xf(x) = \sqrt{x}f(x)=x and g(x)=x+1g(x) = x + 1g(x)=x+1. What is the domain of (f∘g)(x)(f \circ g)(x)(f∘g)(x)?
[−1,∞)[-1, \infty)[−1,∞)
[0,∞)[0, \infty)[0,∞)
[1,∞)[1, \infty)[1,∞)
All real numbers