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Unit 5 Key Terms

Functions

TermDefinition
arithmetic sequence a number sequence formed by adding a fixed number to each previous term to find the next term
common difference the difference between consecutive terms of an arithmetic sequence
continuous graph a graph that is unbroken
dependent variable a variable that provides the output values of a function
discrete graph a graph composed of isolated points
domain the possible values for the input of a relation or function
function a relation that assigns exactly one value in the range to each value in the domain
function notation to write a rule in function notation, use the symbol f(x) in place of y
independent variable a variable that provides the input values of a function
input a value of the independent variable
linear function a function whose graph is a line
nonlinear function a function whose graph is not a line or part of a line
output a value of the dependent variable
range the set of all output values for a relation
relation any set of ordered pairs
sequence an ordered list of numbers that often forms a pattern
term of a sequence any number in a sequence
vertical line test a method for determining whether a relation is a function or not
Created by: schaffermath
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