There are 1 questions in this calculation: for each question, the 3 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ third\ derivative\ of\ function\ -0.0208{x}^{3} + 21.577{x}^{2} - 7494.4x + 870725\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = -0.0208x^{3} + 21.577x^{2} - 7494.4x + 870725\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -0.0208x^{3} + 21.577x^{2} - 7494.4x + 870725\right)}{dx}\\=&-0.0208*3x^{2} + 21.577*2x - 7494.4 + 0\\=&-0.0624x^{2} + 43.154x - 7494.4\\\\ &\color{blue}{The\ second\ derivative\ of\ function:} \\&\frac{d\left( -0.0624x^{2} + 43.154x - 7494.4\right)}{dx}\\=&-0.0624*2x + 43.154 + 0\\=&-0.1248x + 43.154\\\\ &\color{blue}{The\ third\ derivative\ of\ function:} \\&\frac{d\left( -0.1248x + 43.154\right)}{dx}\\=&-0.1248 + 0\\=&-0.1248\\ \end{split}\end{equation} \]

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