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27 June, 10:22

For f (x) = 2x + 3 and g (x) = x2 - 8, find (f + g) (x).

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  1. 27 June, 11:06
    0
    x² + 2x - 5

    Step-by-step explanation:

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

    f (x) + g (x)

    = 2x + 3 + x² - 8 ← collect like terms

    = x² + 2x - 5
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