GEneral: First-Class Mail In 2014, the U.S. Postal Service would deliver a first-class letter weighing 3.5 ounces or less for the following prices: not more than 1 ounce, 49¢; more than 1 ounce but not more than 2 ounces, 70¢; more than 2 ounces but not more than 3 ounces, 91¢; and more than 3 ounces but not more than 3.5 ounces, $1.12. This information determines the price (in cents) as a function of the weight (in ounces). At which values in open interval (0, 3.5) is this function discontinuous?
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