10. Solve a rational inequality. Write answer in Interval notation 3-x 2 4 x +2 11. Review how to do long division of polynomials in 2.3 12. Show that f(x) = x4 + 6x3 - 26x + 15 has a zero on the interval [1, 2]. 13. Using Linear Factorization Theorem, find a 3rd degree polynomial function whose zeros include 3 and 4i and f (2) = -20