Write an equation for a rational function with:

Vertical asymptotes at `x = -6`  and `x = -3` 

`x`  intercepts at `x = 4`  and `x = -1` 

`y`  intercept at 7

`y` =  

Get help: Video

Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question