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Unit 1 Vocabulary
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Terms in this set (17)
domain
The set of all x (input) values.
range
The set of all y (output) values
relation
A set of points
function
A relation in which every input has exactly one output.
discrete
A set of given data, scattered, and disconnected
continuous
Given intervals of data, connected, points in between
vertical line test
A test used to determine whether a relation is a function by checking if a vertical line touches 2 or more points on the graph of a relation
maximum
The highest point on a graph, helps find the range
minimum
The lowest point on a graph, helps find the range
function notation
An equation in the form of 'f(x)=' to show the output value of a function, f, for an input value x
expression
A mathematical phrase that contains operations, numbers, and/or variables.
equation
A mathematical sentence that contains an equals sign.
sequence
An ordered list of numbers, such as 0,1,2,3 or 2,4,6,8.
DIXI ROYD
Acronym used to remember "Domain, Range, Input, Output, x, y, Independent, and Dependent
Ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane
y-intercept
Where the graph touches or crosses the y-axis
all real numbers
Where the domain/range goes from negative infinity to positive infinity
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