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    MHB How Does the Derivative of a Cubic Function Result in a Tangent Line?

    Thanks heaps for that!
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    MHB How Does the Derivative of a Cubic Function Result in a Tangent Line?

    Ahh ok thanks I think I get it now. So the general formula for a straight line is y=mx+c are you saying that the derivative of a function gives you the m value needed to plug into the straight line formula?
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    MHB How Does the Derivative of a Cubic Function Result in a Tangent Line?

    I'm have trouble understanding a fundamental question of a derivative. So a derivate gives me a tangent line at any given point on a function. this makes sense for me for a function y=x^2 because the derivative is y'=2x which is a straight line function. But what about y=x^3 where the...
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    • Thread
    • Curves Derivative Tangent
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    • Forum: Calculus