YES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
OMG!!!
YOU DON'T READ DO YOU???
urrrr....
yes, y=sqr(x) IS A FUNCTION. BUT I NEVER TALKED ABOUT y=sqr(x). I TALKED ABOUT y=ROOT(x)... geez... and I only said y^2=x is NOT a function. Get it? I hope so... *sigh* is my english bad or what...