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29 August, 10:13

If f (x) = 4x^2+1 and g (x) = x^2-5, find (f-g) (x)

A. 5x^2-6

B. 3x^2+6

C. 3x^2-4

D. 5x^2-4

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Answers (1)
  1. 29 August, 10:18
    0
    B

    Step-by-step explanation:

    (f - g) (x) = f (x) - g (x) and

    f (x) - g (x) = 4x² + 1 - (x² - 5) = 4x² + 1 - x² + 5 = 3x² + 6 → B
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