# Function, Domain, Range

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{3, 1, -2, -4}
Identify the elements in the range of the function graphed.
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-4
Look at the graph of a function below and complete the statement. {y : y β₯ _____}
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{-6, -4, 5, 8}
What is the domain of the function?
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x = 1 or -3
Identify a zero of the function shown on the coordinate plane. x =_____
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The x -intercept is -1 and the y -intercept is 2.
What are the x and y intercepts of the graph?
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(3) (0) (-2)
Identify all values that are in the range of the function graphed. (4) (3) (0) (-2) (-4)
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domain
all the possible x-values of a function (The domain of this situation is {1, 2, 3, ...}
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functional notation
an equation of y in terms of x can be rewritten so that y=f(x)
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dependent variable
The outcome factor; the variable that may change in response to manipulations of the independent variable.
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output
Data that has been processed into a useful format.
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range
Distance between highest and lowest scores in a set of data.
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relation
A set of ordered pairs
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function
A relation that uniquely associates members of one set with members of another set. There will always be three main parts: The input, The relationship, The output. For instance, 4(input) X 2(function) = 8(output)
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Independent variable
(statistics) a variable whose values are independent of changes in the values of other variables
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vertical line test