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Given the funtion G(t) = t2 - 7t + 5, evaluate G(-1+h)-G(-1)/h

  • math -

    g(-1+h) = (-1+h)^2 - 7(-1+h) + 5
    = 1 - 2h + h^2 + 7 - 7h + 5
    = h^2 - 9h + 13

    g(-1) = 1 + 7 + 5 = 13

    ( g(-1+h) - g(-1) )/h = (h^2 - 9h + 13 - 13)/h
    = h - 9

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