The critical points of a rational inequality are –1, 3, and 4. Which set of points can be tested to find a complete solution to the inequality? x = 1 and x = 3.5
x = –1, x = 3, and x = 4
x = –2, x = 2, and x = 5
x = –3, x = 1, x = 3.5, and x = 5