Draw/sketch the end behavior that best describes $LaTeX: f(x) = 7 x^{8} - 25 x^{7} - 43 x^{6} + 40 x^{5} + 47 x^{3} - 43 x^{2} + 54$

The coefficient is $LaTeX: \displaystyle a_n=7$ and is positive. The degree is $LaTeX: \displaystyle 8$ and is even. So the end behavior is