What values of x make y real.
I solved the denominator and got x=2, -7. So I figured that if x is between -7 and 2 the denominator will be a real value.
http://i53.tinypic.com/2q2470j.jpg
What values of x make y real.
I solved the denominator and got x=2, -7. So I figured that if x is between -7 and 2 the denominator will be a real value.
http://i53.tinypic.com/2q2470j.jpg