To send international first class mail (large envelopes) from the United States to Australia in 2010, it

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To send international first class mail (large envelopes) from the United States to Australia in 2010, it cost $1.24 for the first ounce, $0.84 for each additional ounce up to a total of 8 oz, and $1.72 for each additional four ounces after that up to a total of 64 oz. Let C(x) be the cost to mail x ounces. Find the following.

a.

b.

c.

d. c(3)

e.

f.

g.

h. C(14)

i. Find all values on the interval (0, 64) where the function C is discontinuous.

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Calculus With Applications

ISBN: 9780321831101

10th Edition

Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey

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