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25-08-2016
Mathematics

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g(x)= -x^2 -1 -2x f(x)= x+5 find (g-f)(x)

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hai0612 hai0612

25-08-2016

g(x) = -x² - 1 - 2x , f(x) = x + 5
⇒ (g-f)(x) = -x² - 1 - 2x - x - 5 = -x² - 3x - 6

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