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Decreasing? Pierre is
walking downhill...

| f
is decreasing on |
 |
. |
How about this one?

It's one wild
ride for Pierre! Downhill sledding all the way! But,
if we said that
f
is decreasing everywhere, that wouldn't be quite right...
Because the graph doesn't exist at
x =
-4
and at
x = 2.
It's decreasing everywhere
on its
own domain, which is

Continued on the
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