3. Modulus Functions

3.01 Introducing the Modulus Function

3.02 Examples of Sketching with the Modulus Function

3.03 The Link between Modulus Graphs and Completed Square Form

3.04 Examples of Solving Modulus Equations

3.05 Examples of Solving Modulus Inequalities

3.06 Express 5 less than x less than 9 in the form |x - a| less than b