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Find and Simplify f(x+Δx,y)f(x,y)Δx for the given function f(x,y)=7x+2y2.\frac { f ( x + \Delta x , y ) - f ( x , y ) } { \Delta x } \text { for the given function } f ( x , y ) = 7 x + 2 y ^ { 2 } .

Question 84

Multiple Choice

Find and simplify f(x+Δx,y) f(x,y) Δx for the given function f(x,y) =7x+2y2.\frac { f ( x + \Delta x , y ) - f ( x , y ) } { \Delta x } \text { for the given function } f ( x , y ) = 7 x + 2 y ^ { 2 } .


A) 7Δx7 \Delta x
B) 2y2,Δx02 y ^ { 2 } , \Delta x \neq 0
C) 7,Δx07 , \Delta x \neq 0
D) 7x7 x
E) 2,Δx02 , \Delta x \neq 0

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