What is (f∘g)(x)(f \circ g)(x)(f∘g)(x) if f(x)=exf(x) = e^xf(x)=ex and g(x)=ln(x)g(x) = \ln(x)g(x)=ln(x)?
xxx
ln(ex)\ln(e^x)ln(ex)
eln(x)e^{\ln(x)}eln(x)
x2x^2x2