| What if Pierre is
walking on |
 |
? |
That line is
horizontal (slope of
0).
He's not going uphill or downhill, so the graph is not increasing or
decreasing there.
TRY IT:
For the following
graph, list the intervals where the graph is increasing
and decreasing:
*Remember to answer in interval
notation using only x
values (no y
values allowed)!
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