Draw/sketch the end behavior that best describes $LaTeX: f(x) = - 31 x^{11} + 39 x^{10} + 56 x^{9} + 21 x^{7} + 15$

The coefficient is $LaTeX: \displaystyle a_n=-31$ and is negative. The degree is $LaTeX: \displaystyle 11$ and is odd. So the end behavior is