There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 0.01x + 0.04 - 0.0004{x}^{2} - 0.0035x - 0.0069\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.01x - 0.0004x^{2} - 0.0035x + 0.0331\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.01x - 0.0004x^{2} - 0.0035x + 0.0331\right)}{dx}\\=&0.01 - 0.0004*2x - 0.0035 + 0\\=& - 0.0008x + 0.0065\\ \end{split}\end{equation} \]

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