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​Algebra 1

Chapter #4 Introduction to Functions


​Section 4.1  Introduction to Functions

​Videos
- What is a function
- Difference between equations and functions 

Online Practice
none for this section



Section 4.2  Relations and Functions

Videos
- Function example problems
- Constructing a function
- Understanding function notation - example 1
- Understanding function notation - example 2
- Understanding function notation - example 3
- Testing if a relation is a function
- Graphical relations and functions
- Domain and range of a function
- Domain and range of a function given a formula
- Domain and range 2
- More Domain and range of a function

Online Practice
- Relations: converting between tables, graphs, mappings
- Domain and range of relations
- Identify functions: vertical line test
- Understanding function notation

Section 4.3  Function Rules

Videos
- Constructing a function
- Relations as functions
- Functional relationships
- Recognizing functions - example 1
- Recognizing functions - example 2
- Recognizing functions - example 3

Online Practice
- Recognizing functions
- Write a function rule:  word problems



Section 4.4 Review of Functions

Videos
none for this review section

Online Practice
none for this review section


​Section 4.7  Arithmetic Sequences

​Videos
- Arithmetic sequences
- Finding the 100th term of a sequence

Online Practice
- Arithmetic sequences
- Arithmetic sequences #2


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  • Ask a Question
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    • Algebra 1 State Test Practice
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