There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ -0.0014{x}^{4} + 0.0734{x}^{3} - 1.0486{x}^{2} + 4.2553x + 6.8255\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = -0.0014x^{4} + 0.0734x^{3} - 1.0486x^{2} + 4.2553x + 6.8255\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -0.0014x^{4} + 0.0734x^{3} - 1.0486x^{2} + 4.2553x + 6.8255\right)}{dx}\\=&-0.0014*4x^{3} + 0.0734*3x^{2} - 1.0486*2x + 4.2553 + 0\\=&-0.0056x^{3} + 0.2202x^{2} - 2.0972x + 4.2553\\ \end{split}\end{equation} \]

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