find the horizontal asymptote and y-intercept for

Question

Find the horizontal asymptote and y-intercept for a given function

Describe the transformations on the following graph of f(x) =  e^x   .When g(x) = e^x +3  State the placement of the horizontal asymptote and y-intercept after the transformation.

Describe the transformations on the following graph of f(x) = e^x .When h(x) =  e^-x State the placement of the horizontal asymptote and y-intercept after the transformation.