Visual Wrap-up
DO: Look at each graph,
one at a time, and observe the column and row headings.
Make sure they are correct. (If not, let us know!)
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$f'< 0$
$\Updownarrow$
$f\downarrow$
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$f'=0$
(critical #, possible local max/min)
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$f'> 0 $
$\Updownarrow$
$f\uparrow$
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$f''<0\Leftrightarrow
f'\downarrow$ |
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$f''=0$
(subcritical #, possible inflection point)
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$f''>0\Leftrightarrow
f'\uparrow$ |
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