The plot of the points and the sequence of transformation are attached
What is rotation about the origin
Rotation about the origin is a transformation in which a geometric figure is turned around the origin of the coordinate system.
The rotation plotted is 90 degrees counterclockwise about the origin.
Then, with the y-axis as the reflection line, the image was reflected over the y axis.
In the sequence of trnagfomation, the size of the object is preserved