There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 0.0073x*3 - 0.0773x*2 + 0.4264x - 0.0661\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.0219x - 0.1546x + 0.4264x - 0.0661\right)}{dx}\\=&0.0219 - 0.1546 + 0.4264 + 0\\=&0.2937\\ \end{split}\end{equation} \]

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