Which equation is the inverse of y=x2+16 ? y=x2-16 y= ± square root of x-16 y= ± square root of x-16 y=x2-4

The equation is non-invertible；The equations of the graph gained by reflecting over y = x: y=±\sqrt{x - 16}；Domain: [16, \infty)；Range: (-\infty, \infty)