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17-11-2020
Mathematics

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For f(x) = 4x + 1 and g(x) = x2-5 find (f - g)(x).
A. - x² + 4x - 4
B. - x² + 4× + 6
C. 4 x² - 19
D. x² - 4x - 6

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17-11-2020

Answer: B

equation: (4x + 1) - (x^2 - 5)
distribute the negative: (4x + 1) - x^2 + 5
combine like terms: -x^2 + 4x + 6

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