Math Functions Lesson - High School Algebra

Hilda Ratliff
Grade Levels
9th - 10th
Resource Type
Formats Included
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15 pages
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Hilda Ratliff


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This lesson is an introduction to functions.
1. Definition of a function
2. Domain โ€“ Input Range โ€“ Output
3. Mapping Domain to Range
4. Determine if a relation is a function.
5. Function Notation
6. Evaluate functions for a given value in the domain.

Detailed answer key is included.

The lesson aligns to Common Core Standards HSF.IF.1 and HSF.IF.2.

Click on a title below to view some additional math resources.

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Created by Hilda Ratliff

Total Pages
15 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context.
Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If ๐˜ง is a function and ๐˜น is an element of its domain, then ๐˜ง(๐˜น) denotes the output of ๐˜ง corresponding to the input ๐˜น. The graph of ๐˜ง is the graph of the equation ๐˜บ = ๐˜ง(๐˜น).


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