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The cool stuff happens when we
get more terms in there!
Pop this guy into a graphing
calculator:
Your graph should look about
like this:
 |
THINGS TO NOTICE:
Both tails shoot up.
One mountain
Two valleys
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In Precalculus, you were
mostly concerned with finding where these cross or touch the
x-axis
-- because, really, that's all you COULD easily find without
Calculus.
Now, we'll be more interested
in the mountains and valleys, where the graph is going up and
down and what those tails are doing.
Continued on the
next
page
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