Draw/sketch the end behavior that best describes $LaTeX: f(x) = 40 x^{18} - 25 x^{17} - 38 x^{16} - 34 x^{14} + 11 x^{5} - 26$

The coefficient is $LaTeX: \displaystyle a_n=40$ and is positive. The degree is $LaTeX: \displaystyle 18$ and is even. So the end behavior is