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10 November, 08:19

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

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  1. 10 November, 08:22
    0
    x² + 7

    Step-by-step explanation:

    note that (f - g) (x) = f (x) - g (x)

    = 2x² + 5 - (x² - 2)

    = 2x² + 5 - x² + 2 ← collect like terms

    = x² + 7
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