Question 34325
{{{ 9/(2b+1) = c }}}


with any fraction, if the denominator is zero, you are in trouble!


So, if the denominator was zero, what would the value of b be in that case?
2b+1 = 0
2b = -1
b = -1/2
--> C


just try it on your calculator: 9/0 and see what you get.


jon.