The function is .

Observe the graph of the function :

Since the points are lie on the graph, the points are satisfy the equation .

Consider . \ \

Substitute in above function. \ \

                   (Since )

Using the property of inverse function : .

.

Consider . \ \ Substitute in above function. \ \

             (Since )

Using the property of inverse function : .

.

Consider . \ \

Substitute in above function.

                           (Since )

Substitute in above equation. \ \

.

Thus, the y - coordinates are , and the x - coordinate is .

The y - coordinates are , and the x - coordinate is .