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14-07-2016
Mathematics

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given the functions f(x)=x^3-11x^2 40x-48 what one the following is a factor of f(x)? answer choices: a: x 16 b:x 4 c:x-16 d:x-3

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15-07-2016

Hello,

f(x)=x^3-11x²+40x-48
f(3)=3^3-11*3²+40*3-48=0

f(x)=(x-3)*(x-4)²

Answer D

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