This is a two parter.

A function f has a horizontal asymptote of y = -4, a vertical asymptote of x = 3 and an x-intercept at (1 , 0)

Let f be of the form f(x) = \(\frac{ax+b}{x+c}.\)
Find an expression for f(x)

Let f be of the form f(x) = \(\frac{rx+s}{2x+t}.\)
Find an expression for f(x)