There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ -380.02x*4 + 281.06x*3 - 73.605x*2 + 7.2022x + 2.2434\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -1520.08x + 843.18x - 147.21x + 7.2022x + 2.2434\right)}{dx}\\=&-1520.08 + 843.18 - 147.21 + 7.2022 + 0\\=&-816.9078\\ \end{split}\end{equation} \]

Your problem has not been solved here? Please take a look at the  hot problems ！