Algebra Chapter 4 Functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| continuous graph | a graph made up of connected lines or curves
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| discrete graph | A graph made up of unconnected points
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| relation | A set of ordered pairs
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| domain | The set of all possible input values of a function or relation
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| range | The set of output values of a function or relation
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| function | A relation in which every input is paired with exactly one output.
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| independent variable | The input of a function; a variable whose value determines the value of the output.
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| dependent variable | The output of a function; a variable whose value depend on the value of the input.
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| function rule | An algebraic expression that defines a function.
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| function notation | If x is the independent variable and y is the dependent variable, then f(x) is the function notation.
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| scatter plot | A graph with points plotted to show a possible relationship between two sets of data.
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| correlation | A measure of the strength and direction of the relationship between two variables or data sets.
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| positive correlation | Two data sets have a positive correlation if both sets of data values increase.
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| negative correlation | Two data sets have a negative correlation if one set of data values increase as the other set decreases.
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| no correlation | Two data sets have no correlation if there is no relationship between the sets of values.
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| trend line | A line on a scatter plot that helps show the correlation between data sets more clearly.
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| sequence | A list of numbers that often form a pattern.
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| term | An element or number in a sequence.
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| arithmetic sequence | A sequence whose successive terms differ by the same nonzero number d, called the common difference.
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| common difference | In an arithmetic sequence, the nonzero common difference of any term and the previous term.
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| formula to find the nth term of an arithmetic sequence | a(n) = a(1) + (n - 1)d
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Created by:
galbreath01
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