Find the composition f(g(x))f(g(x))f(g(x)) if f(x)=xf(x) = \sqrt{x}f(x)=x and g(x)=x+1g(x) = x+1g(x)=x+1.
x+1\sqrt{x} + 1x+1
x+1\sqrt{x+1}x+1
x+1x+1x+1
x2+1\sqrt{x^2+1}x2+1