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Practice problem

Writing Common Functions from Graphs and Tables

By Amy Feraco
True or False\text{True or False}

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xy−2−4−1−1001−12−4\begin{array}{|c|c|} \hline x&y\\ \hline -2&-4\\ \hline -1&-1\\ \hline 0&0\\ \hline 1&-1\\ \hline 2&-4\\ \hline \end{array}

The relation between xx and yy can be written in the form y=ax+by=ax + b for constants a,ba,b.

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Type a concept, like “slope” or “photosynthesis”.

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