For the Function $f(x)=\frac{5}{1+4 e^{-2 x}}$ :
(A) Find the Horizontal Asymptotes

Essay

For the function $f(x)=\frac{5}{1+4 e^{-2 x}}$ :
(a) Find the horizontal asymptotes.
(b) Find the domain and range.
(c) Describe the end behavior.