There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 75.07969 - 15.77337ln(1 + 23.01549x)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = - 15.77337ln(23.01549x + 1) + 75.07969\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( - 15.77337ln(23.01549x + 1) + 75.07969\right)}{dx}\\=& - \frac{15.77337(23.01549 + 0)}{(23.01549x + 1)} + 0\\=& - \frac{363.0318395013}{(23.01549x + 1)}\\ \end{split}\end{equation} \]

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