Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 ? 9, z = 5
A. All points on or outside of the circle x2 + y2 = 9 and in the plane z = 5
B. All points within the parabola x2 + y2 = 9 in the plane z = 5
C. All points on or within the circle x2 + y2 = 9 and in the plane z = 5
D. All points on the cylinder with radius 3 along the z-axis
Answer: C
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