document.write( "Question 686789: Does the equation y^2=x+3 define a function y=f(x)? why or why not? \n" ); document.write( "
Algebra.Com's Answer #424897 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Solve for y to get y = sqrt(x+3) or y = -sqrt(x+3)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So this is NOT a function because any given x value produces more than one y value.
\n" ); document.write( "
\n" );