Find all numbers for which the rational expression is undefined.6/2v+9
if you mean what you wrote, then it is undefined when v = 0
HOWEVER, I bet you mean
6 / (2v+9)
in which case the denominator is zero when v = -4.5
HOWEVER, I bet you mean
6 / (2v+9)
in which case the denominator is zero when v = -4.5