1. Find the indicated limit, if it exists. (If a limit does not
exist, you must describe it as
or
if either label applies.)
a.
b.
c.
d.
2. Carefully sketch the graph of a function
that satisfies all of the following conditions.
and
is not continuous at
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or 
if either label applies.)
that satisfies all of the following conditions. 
and 
is not continuous at 
