The equation is .

Make the table of values to find ordered pairs that satisfy the equation.

In this case, it is easier to choose y values and then find the corresponding values for x.

Draw a coordinate plane.

Plot the coordinate points.

Then sketch the graph, connecting the points with a smooth curve.

Since y can be any real number, there is an infinite number of ordered pairs that can be graphed. All of them lie on the graph shown.

Every real number is the y - coordinate of some point on the graph, so the range is all real numbers. \ \

But, only real numbers greater than or equal to are x - coordinates of points on the graph. So the domain is , and the relation is continuous.

From the table and the vertical line test that there are two y values for each x values except .

Therefore, the equation does not represent a function.

The domain is all real numbers, the domain is , the relation is continuous and the equation does not represent a function.