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    Function: Horizontal Tangent Line

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    Find the points at which the function has a horizontal tangent line. f(x)=x^2+4x+5

    © BrainMass Inc. brainmass.com March 4, 2021, 5:45 pm ad1c9bdddf
    https://brainmass.com/math/calculus-and-analysis/function-horizontal-tangent-line-9375

    Solution Summary

    The points at which a function has a horizontal tangent line are found.

    $2.19

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