Cem Hayes

2020-10-21

Determine whether the equation represents y as a function of x. x+y2=3x+y
2
=3

2k1enyvp

Expert

$x={y}^{2}=3$
This is sideways opening parabola,which is not a functon,but let's solve for y anyway
${y}^{2}=3-x$
$y=±\sqrt{3-x}$
Because there are upto two different y values for each x in the domain,it is not a function

Do you have a similar question?