Lesson Plan: Identifying Functions | Nagwa Lesson Plan: Identifying Functions | Nagwa

# Lesson Plan: Identifying Functions Mathematics • Second Year of Secondary School

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to identify a function from a relation shown by a set of ordered pairs, a relation diagram, an equation, or a graph.

#### Objectives

Students will be able to

• define what is meant by a function,
• identify whether a set of ordered pairs defines a function,
• identify functions from relation diagrams,
• understand how to use the vertical line test to determine whether a relation’s graph represents a function,
• understand the conditions for which an equation can be represented in function notation, .

#### Prerequisites

Students should already be familiar with

• relations and equations,
• graphs of equations,
• roots.

#### Exclusions

Students will not cover

• identifying domains and ranges of functions.

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