Question

Please see attachment. For (1), the options are:

x-axis, y-axis, xy-plane, the line x =4, and the line y =4.

For (2), the choices are:
x-axis, y-axis, xz-plane, yz-plane, xy-plane.

Answer 1

What do they mean by of?

Answer 2

i guess they want you to fill in those circular blobs with the choices they give you in (1) and (2)

Answer 3

of the plane about the x-axis