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You probably haven't seen these
before, but they really do make ultra cool Calculus problems.
I've seen them in most texts. They're really pretty easy if
you look at them the right way.
First, let's look at what absolute
values do:



Absolute values leave
positive numbers and
zero alone... and make
negative numbers
positive!
So, with graphs... let's
think about the y
guys:

Continued on the
next
page
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