Find the partial derivative f y
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for the function f(x,y)= 2x+y 3
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. f y
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(x,y)= 2x+y 3
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y 2
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f y
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(x,y)= 2 2x+y 3
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1
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f y
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(x,y)= 2x+y 3
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y 3
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f y
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(x,y)= 2x+y 3
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3y 3
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f y
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(x,y)= 2 2x+y 3
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