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9 May, 21:42

If f (x) = 3x2 + 1 and g (x) = 1 - x, what is the value of (f - g) (2)

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  1. 9 May, 22:03
    0
    14

    Step-by-step explanation:

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

    f (x) - g (x)

    = 3x² + 1 - (1 - x)

    = 3x² + 1 - 1 + x

    = 3x² + x, thus

    (f - g) (2)

    = 3 (2) ² + 2 = 3 (4) + 2 = 12 + 2 = 14
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