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For the function, find the average rate of change of f from 1 to x:f(x)-f(1)/x-1
x does not equal 1

f(x) = x3 + x

  • Math -

    avg rate is slope of secant:

    = [(x^3+x)-(1^3+1)]/[x-1]
    = (x^3+x-2)/(x-1)
    = x^2+x+2

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