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Calculus
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Partial derivatives
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114.
Computing a Partial Derivative
easy
What is ∂f/∂x for f(x, y) = 3x² + 2xy + y³?
A
2y + 3y², differentiating the terms that contain y and ignoring pure x terms
B
6x, differentiating only the term that contains x² and ignoring cross terms
C
6x + 2y + 3y², differentiating all terms including those containing only y
D
6x + 2y, treating y as a constant and differentiating with respect to x
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