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Math Help - polynomial function

  1. #1
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    Exclamation polynomial function

    Given a polynomial f(x) of degree 2, where f(x+1)-f(x)=6X-8 and f(1)=26, then what is f(2)
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by math123456 View Post
    Given a polynomial f(x) of degree 2, where f(x+1)-f(x)=6X-8 and f(1)=26, then what is f(2)
    note that

    f(x + 1) = 5x - 8 + f(x)

    now, plug in x = 1 everywhere
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