There are 1 questions in this calculation: for each question, the 2 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ second\ derivative\ of\ function\ -0.0748xxx - 23.307xx + 1561.744x - 7152.623\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = -0.0748x^{3} - 23.307x^{2} + 1561.744x - 7152.623\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -0.0748x^{3} - 23.307x^{2} + 1561.744x - 7152.623\right)}{dx}\\=&-0.0748*3x^{2} - 23.307*2x + 1561.744 + 0\\=&-0.2244x^{2} - 46.614x + 1561.744\\\\ &\color{blue}{The\ second\ derivative\ of\ function:} \\&\frac{d\left( -0.2244x^{2} - 46.614x + 1561.744\right)}{dx}\\=&-0.2244*2x - 46.614 + 0\\=&-0.4488x - 46.614\\ \end{split}\end{equation} \]

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