There are 1 questions in this calculation: for each question, the 4 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ 4th\ derivative\ of\ function\ 0.0467{x}^{4} - 0.824{x}^{3} + 2.3057{x}^{2} + 8.6649x + 77.418\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.0467x^{4} - 0.824x^{3} + 2.3057x^{2} + 8.6649x + 77.418\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.0467x^{4} - 0.824x^{3} + 2.3057x^{2} + 8.6649x + 77.418\right)}{dx}\\=&0.0467*4x^{3} - 0.824*3x^{2} + 2.3057*2x + 8.6649 + 0\\=&0.1868x^{3} - 2.472x^{2} + 4.6114x + 8.6649\\\\ &\color{blue}{The\ second\ derivative\ of\ function:} \\&\frac{d\left( 0.1868x^{3} - 2.472x^{2} + 4.6114x + 8.6649\right)}{dx}\\=&0.1868*3x^{2} - 2.472*2x + 4.6114 + 0\\=&0.5604x^{2} - 4.944x + 4.6114\\\\ &\color{blue}{The\ third\ derivative\ of\ function:} \\&\frac{d\left( 0.5604x^{2} - 4.944x + 4.6114\right)}{dx}\\=&0.5604*2x - 4.944 + 0\\=&1.1208x - 4.944\\\\ &\color{blue}{The\ 4th\ derivative\ of\ function:} \\&\frac{d\left( 1.1208x - 4.944\right)}{dx}\\=&1.1208 + 0\\=&1.1208\\ \end{split}\end{equation} \]

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