Teacher presentation materials. Unit: Alg1+.4 Extra Support Materials for Algebra 1, Unit 4 Functions (Algebra 1 Supports). Alg1+.4 Extra Support Materials for Algebra 1, Unit 4 Functions Lessons Resources Assessments Lessons Functions and Their Representations (Alg1+) 1 Describing Graphs 2 Understanding Points in Situations 3 Using Function Notation 4 Interpreting Functions 5 Function Representations Analyzing and Creating Graphs of Functions (Alg1+) 6 Finding Interesting Points on a Graph 7 Slopes of Segments 8 Interpreting and Drawing Graphs for Situations 9 Increasing and Decreasing Functions A Closer Look at Inputs and Outputs (Alg1+) 10 Interpreting Inputs and Outputs 11 Examining Domains and Ranges 12 Functi