shaun3q shaun3q

29-10-2018
Mathematics

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f(x, y) = 4x + 7y - 6, please find the value of f(5,-5).

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wegnerkolmp2741o wegnerkolmp2741o

29-10-2018

f(x, y) = 4x + 7y - 6

substitute x=5 and y=-5

f(5,-5) = 4(5) + 7(-5) - 6

f(5,-5) =20-35-6

= -15-6

=-21

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