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15 December, 20:19

Select the correct answer. If 'f (x) = 2x^2 - 4x - 3' and 'g (x) = (x - 4) (x + 4) ', find 'f (x) - g (x).' a. '4x + 13' b. 'x^2 - 4x + 13' c. '3x^2 - 4x + 13' d. '-4x^2 - 4x + 13'

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  1. 15 December, 20:27
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    f (x) = 2x² - 4x - 3

    g (x) = (x - 4) (x + 4) = x² - 16

    f (x) - g (x) = 2x² - 4x - 3 - (x² - 16)

    = 2x² - 4x - 3 - x² + 16

    = x² - 4x + 13

    Answer: B
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