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8 May, 22:24

If f (x) = 3x^2-2 and g (x) = 4x+2 what is the value of f+g 2

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  1. 8 May, 22:36
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    20

    Step-by-step explanation:

    (f + g) (x) = f (x) + g (x)

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

    Substitute x = 2 into f (x) + g (x)

    (f + g) (2) = 3 (2) ² + 4 (2) = (3 * 4) + 8 = 12 + 8 = 20
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