Which transformation reflects f(x)=exf(x) = e^xf(x)=ex across the yyy-axis?
g(x)=e−xg(x) = e^{-x}g(x)=e−x
g(x)=−exg(x) = -e^xg(x)=−ex
g(x)=ex−1g(x) = e^x - 1g(x)=ex−1
g(x)=ln(x)g(x) = \ln(x)g(x)=ln(x)