Compute the Gradient of the Function at the Given Point $$f ( x , y ) = - 4 x ^ { 2 } + 6 y , \quad ( 4,3 )$$

question 312

Multiple Choice

Compute the gradient of the function at the given point.
- $$f ( x , y ) = - 4 x ^ { 2 } + 6 y , \quad ( 4,3 )$$

• A)\({\nabla} f = - 128 \mathrm { i } + 18 \mathbf { j }\)
• B) \({\nabla} f = - 64 \mathrm { i } + 18 \mathrm { j }\)
• C) \({\nabla} f = - 32 \mathrm { i } + 18 \mathbf { j }\)
• D) \({\nabla} f = - 32 i + 6 j\)

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