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Calculate fx\frac { \partial f } { \partial x } , And

Question 29

Multiple Choice

Calculate fx\frac { \partial f } { \partial x } , and fy\frac { \partial f } { \partial y } when defined. f(x,y) =6x3y3+x12f ( x , y ) = 6 x ^ { 3 } - y ^ { 3 } + x - 12


A) fx=18x2+13y2\frac { \partial f } { \partial x } = 18 x ^ { 2 } + 1 - 3 y ^ { 2 } , fy=18x2+1\frac { \partial f } { \partial y } = 18 x ^ { 2 } + 1
B) fx=18x2+1\frac { \partial f } { \partial x } = 18 x ^ { 2 } + 1 , fy=3y2\frac { \partial f } { \partial y } = - 3 y ^ { 2 }
C) fx=3y2\frac { \partial f } { \partial x } = - 3 y ^ { 2 } , fy=18x2+1\frac { \partial f } { \partial y } = 18 x ^ { 2 } + 1
D) fx=6x2+1\frac { \partial f } { \partial x } = 6 x ^ { 2 } + 1 , fy=3y2\frac { \partial f } { \partial y } = - 3 y ^ { 2 }
E) fx=6x2\frac { \partial f } { \partial x } = 6 x ^ { 2 } , fy=y2\frac { \partial f } { \partial y } = y ^ { 2 }

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