The function .
Change to
.
.
The function is half an ellipse.
\Graph:
\Draw the coordinate plane.
\The function is square root function. So negative values is not possible.
Sketch the curve in first and second quadrants only.
\Observe the graph: The -intercepts are
,
and
-intercept is
.
The -intercepts are
,
and
-intercept is
.