MHF4U: Advanced Functions Module 4 Mathematical Modelling More About Functions Lesson 18 Polynomial Inequalities MHF4U Lesson 18 Polynomial Inequalities Answer the following questions (include a graph to support your answer for each question) 1. Solve the following inequalities using an algebraic method. a) x2 + x 2 > 0 b) x(x- 2)(x-1)(x+ 1): D c) x3 2 9:: d} -x3+2x2+4x-8?.U 2. Factor 2x47x341x253x 21 fully. 3. Solve 3x203 8) + x+ 5