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(Solved): Write an inequality to describe the region.
The solid upper hemisphere of the sphere of radius 9 cen ...
Write an inequality to describe the region.
The solid upper hemisphere of the sphere of radius 9 centered at the origin
z <= 0, x2 + y2 + z2 <= 81
z >= 0, x2 + y2 + z2 >= 81
z >= 0,
x2 + y2 + z2
<= 81
z >= 0, x2 + y2 + z2 <= 81
none of thes