Question: Help z; Question Completion Status: QUESTION 1 . Evaluate the function. Find Hz. 0, 9) when f(x, y. z} = 2x 2 + 2y 2
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z; Question Completion Status: QUESTION 1 . Evaluate the function. Find Hz. 0, 9) when f(x, y. z} = 2x 2 + 2y 2 - z 2. ' -64 ~77 89 73 QUESTION 2 k Evaluate the function. Find f(5, 6) when f(x, y) = 4x + 6y - 8. 48 42 44 u 56 QUESTION 3 ' J ' I Find the partial derivative. Let f(x, y) = 10x -7y2 - 5. Find fx. 5 44y 10 10x
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