A function f has a horizontal asymptote of y=-4, a vertical asymptote of x=3, and an x-intercept at (1,0).
Part (a): Let f be of the form
\(f(x) = \frac{ax+b}{x+c}.\)
Find an expression for f(x).
Part (b): Let f be of the form
\(f(x) = \frac{rx+s}{2x+t}.\)
Find an expression for f(x).
