Unit 6, Lesson 4# Increasing and Decreasing Functions

EngageNY 45 min(s)

Students describe qualitatively the functional relationship between two types of quantities by analyzing a graph. Students sketch a graph that exhibits the qualitative features of a function based on a verbal description. This lesson focuses on graphs and the role they play in analyzing functional relationships between quantities. Students have been introduced to increasing and decreasing functions in a prior lesson in Grade 8.