Determine the octant(s) in which (x,y,z) is located so that the condition(s) is (are) satisfied.
?

?

A. Octants I, II, III, IV (above the yz-plane)
B. Octant II (above the yz-plane)
C. Octants I, II, III, IV (above the xy-plane)
D. Octants II, IV, VI, VIII (above the xy-plane)
E. Octant IV (above the yz-plane)


Answer: C

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