There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 0.0002{x}^{4} - 0.0049{x}^{3} + 0.0718{x}^{2} - 0.4139x - 4.0841\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.0002x^{4} - 0.0049x^{3} + 0.0718x^{2} - 0.4139x - 4.0841\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.0002x^{4} - 0.0049x^{3} + 0.0718x^{2} - 0.4139x - 4.0841\right)}{dx}\\=&0.0002*4x^{3} - 0.0049*3x^{2} + 0.0718*2x - 0.4139 + 0\\=&0.0008x^{3} - 0.0147x^{2} + 0.1436x - 0.4139\\ \end{split}\end{equation} \]

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