Answer:
1-the number before a variable in an algebraic expression
2-the variable representing the first element of the ordered in a function; the inputs
3-a relation in which for any given input value, there is only one output value
4-a value that is substituted in for the variable in a function in order to generate an output value
5-the variable representing the second element of the ordered pairs in a function; the outputs
6-a set of data in which values can take on any value within a given interval
7-a set of data in which the values are distinct and separate
8-a value generated by a function when an input value is substituted into the function and evaluated
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Explanation: