Describe the set of points in space whose coordinates satisfy the given inequalities or combinations of equations and inequalities. a. 1 x2 + y2 + z2 25
b. x2 + y2 + z2 s25, x 20
A. The solid ball of radius 5 centered at (0,0,0) with the sphere of radius 1 centered at (0,0,0) removed.
B. The sphere of radius 5 centered at (0,0,0) together with the solid ball of radius 1 centered at (0,0,0).
C. The solid ball of radius 5 centered at (0,0,0) with the interior of the solid ball of radius 1 centered at (0,0,0) removed.
D. The sphere of radius 5 centered at (0,0,0) together with the sphere of radius 1 centered at (0,0,0).