There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ \frac{(0.125x)}{(1 + 0.875x)}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = \frac{0.125x}{(0.875x + 1)}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( \frac{0.125x}{(0.875x + 1)}\right)}{dx}\\=&0.125(\frac{-(0.875 + 0)}{(0.875x + 1)^{2}})x + \frac{0.125}{(0.875x + 1)}\\=&\frac{-0.109375x}{(0.875x + 1)(0.875x + 1)} + \frac{0.125}{(0.875x + 1)}\\ \end{split}\end{equation} \]

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