college algebra

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given function f(X)=X^3+3x
findthe rate of change between the two stated values for x:1 to 2
find the equation of a secant line (1,f(1)and(2,f(2))

  • college algebra -

    f(1) = 4
    f(2) = 14

    rate of change = slope = 10

    line containing (1,4) with slope 10 is

    (y-4) = 10(x-1)

  • Note to zachary - college algebra -

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