Question 1200434
{{{y=(k*numerator)/denominator}}}


{{{y=(k(x-4)(x+5))/((x+1)(x-5))}}}-------undefined for x at -1 and x at +5



want something about like   (0,3).



{{{y=k(-4)(5)/((1)(-5))}}}

{{{y=k(4)}}}

{{{3=4k}}}

{{{k=3/4}}}



{{{y=(3(x-4)(x+5))/(4(x+1)(x-5))}}}