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26 May, 03:44

If (x) = x^2+2x-5. What is f (a+1)

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  1. 26 May, 06:53
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    a^2+4a-2

    Step-by-step explanation:

    f (x) = x^2+2x-5

    f (a+1) = (a+1) ^2 + 2 (a+1) - 5

    = a^2 + 2a + 1 + 2a + 2 - 5

    =a^2+4a - 2
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