80 likes | 248 Views
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).
E N D
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) Range ( Student’s Grade) A B C Roscoe Julia Dan Felicity Lucas
Functions • Graph the “grade” function Grade Student’s Name
Functions Domain (gallons used) Range (miles traveled) 2 5 7 10 13 36 90 116 180 234
Functions • Graph the “mileage” function • Write the equation that represents the data
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.
Functions • Vertical Line Test (VLT) • What is the definition if the VLT? • How and why is it used?