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19-07-2017
Mathematics

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given the polynomail function below, find f(-5) f(x)=x^2-2x-7

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boldeagle boldeagle

19-07-2017

f(-5) = -5^2 - 2*(-5) - 7 = 25 - (-10) - 7 = 25 + 10 - 7 = 25 + 3 = 28

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