There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ -0.0039{x}^{4} + 0.1132{x}^{3} - 1.1602{x}^{2} + 4.2626x + 0.144\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = -0.0039x^{4} + 0.1132x^{3} - 1.1602x^{2} + 4.2626x + 0.144\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -0.0039x^{4} + 0.1132x^{3} - 1.1602x^{2} + 4.2626x + 0.144\right)}{dx}\\=&-0.0039*4x^{3} + 0.1132*3x^{2} - 1.1602*2x + 4.2626 + 0\\=&-0.0156x^{3} + 0.3396x^{2} - 2.3204x + 4.2626\\ \end{split}\end{equation} \]

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