Question: The graph below shows how the postage required to mail a letter in the United States has changed in recent years. Let C(t) be the

The graph below shows how the postage required to mail a letter in the United States has changed in recent years. Let C(t) be the cost to mail a letter in the year t. Find the following.

a. lim C(t) 1-2009- b. lim C(t) 1-2009 c. lim C(t) t2009

a. lim C(t) 1-2009- b. lim C(t) 1-2009 c. lim C(t) t2009 d. C(2009) Cost (in cents) C(t) 50 40+ 30 20 10 0 91 1990 '95 '02 '99 '01 Year '06 '08 H '07 '09 t

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