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Question

# Determine the domain D and range R of each relation, and tell whether the relation is a function. Assume that a calculator graph extends indefinitely and a table includes only the points shown. X $Y_1$ -2 5 -1 0 0 -3 5 12 9 60 10 77 13 140 x = -2

Solution

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For this exercise, the goal is to give the domain and range of the given relation. Also, to find out whether the given relation is a function or not. First, rewrite the given table, that is

$\begin{array}{|r|r|r|r|r|r|r|r|} \hline x&-2&-1&0&5&9&10&13\\ \hline y&5&0&-3&12&60&77&140\\ \hline \end{array}$

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