Thread: graph of functions

I need help to plot the graph of following equation with the conditions given below
=(a * +b + )/( d * +e + )

where & are roots of denominator.. and & are roots of numerator


(i) < < <
(ii) & &
(iii) all the roots are imaginary
(iv) numerator has no roots
(v) denominator has no roots

i don't need the answers... i really need the method(Logic)
If there are any short cuts.. please tell me



answer me at the earliest