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Algebra 2

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Find f(x), if f(2b-1)=6b+2

  • Algebra 2 - ,

    let 2b - 1= x
    2b = x+1
    b = (x+1)/2

    then for
    f(2b-1) = 6b = 2
    f(x) = 6(x+1)/2 + 2
    =3(x+1) + 2
    = 3x + 5

    f(x) = 3x + 5

    check by replacing x with 2b-1
    f(2b-1) = 3(2b-1) +5 = 6b -3+5
    = 6b + 2 , as given

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