How many solutions does y=X^2+1 have?

?2014-10-09T15:59:34Z

if x^2+1=0 , then it's has no real solution

Demiurge422014-10-09T16:43:58Z

It has infinitely many solutions.

δοτζο2014-10-09T15:58:26Z

Like all quadratics, this has two solutions, but in this case they're both complex.