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A relation for which each element of the domain corresponds to exactly one element of the range.
Function

The set of values of the independent variable(s) for which a function or relation is defined
Domain

The set of yvalues of a function or relation
range

A variable in an equation that may have its value freely chosen
without considering values of any other variable
independent variable

A variable that depends on one or more other
variables.
dependent variable

An interval that does not contain its endpoints
open intervals

An interval that contains its endpoints.
closed intervals

f(x) in place of 'y'
function notation

A test use to determine if a relation is a
function
vertical line test

a function with a graph that goes up from left to right.
increasing intervals

a function with a graph that goes down from left to right.
decreasing intervals

The highest point in a particular section of a graph
relative maximum

The lowest point in a particular section of a graph
relative minimum

extreme value of a function. like minima and maxima or a function. can be relative (local) or absolute
extrema

A function with a graph that is symmetric with respect to the yaxis
even function

A function with a graph that is symmetric with respect to the origin
odd function

transformations where a figure is picked up and moved to another location.
translations

The number which indicates no quantity, size, or magnitude
zeros

A transformation in which a geometric figure is reflected across a line,
creating a mirror image
reflections

A transformation in which a figure grows larger
dilations

A function for which every element of the range of the function corresponds to exactly one
element of the domain.
onetoone

Combining two functions by substituting one
function's formula in place of each x in
the other function's formula
composition

The function obtained by switching the
x and yvariables in a
function.
inverse function

A test use to determine if a function is onetoone
horizontal line test

A function that uses different formulas for different parts of its domain.
piecewise defined

A function with a connected graph
continuous function


