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Functions

Functions. Algebra. Functions. Definitions Relation – a set of coordinate points (x, y) Domain – the x-values, input Range – the y-values, output Function – a relation where for every value of the domain the is exactly one value of the range. Functions. Domain (Student’s Name).

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Functions

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  1. Functions Algebra

  2. Functions Definitions Relation – a set of coordinate points (x, y) Domain – the x-values, input Range – the y-values, output Function – a relation where for every value of the domain the is exactly one value of the range

  3. Functions Domain (Student’s Name) Range ( Student’s Grade) A B C Roscoe Julia Dan Felicity Lucas

  4. Functions • Graph the “grade” function Grade Student’s Name

  5. Functions Domain (gallons used) Range (miles traveled) 2 5 7 10 13 36 90 116 180 234

  6. Functions • Graph the “mileage” function • Write the equation that represents the data

  7. Functions • What does the graph of a function look like? • What does it NOT look like? • Give examples of graphs that are functions. • Give examples of graphs that are NOT functions.

  8. Functions • Vertical Line Test (VLT) • What is the definition if the VLT? • How and why is it used?

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