math

find g(1)+g(2)+g(3)+...+g(50) given that g(x)=13-5x

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  1. this is simply an arithmetic series where
    a = 8
    d = -5
    n = 50

    sum(n) = (n/2)[2a + (n-1)d)]
    sum(50) = (50/2)[16 + 49(-5)]
    = 25[-229]
    = -5725

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