Evaluate Where F(x, Y, Z) = 3x I $\sigma$ Is That Portion of the Sphere X² + Y²

question 149

Multiple Choice

Evaluate where F(x, y, z) = 3x i + 3y j - 6z k and $\sigma$ is that portion of the sphere x² + y² + z² = 9 which lies above the xy-plane and is oriented by upward unit normals.

• A) 12
• B) 12 \(\pi\)
• C) 9
• D) 0
• E) 6

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