Section 2.7 Piecewise-DefinedFunctions

# Y y 2 1 2 1 2 1 12 1 2 the floor function x 2 1 12 1

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Unformatted text preview: ecial Functions The ﬂoor function is the function x = n ∈ Z where n ≤ x &lt; n + 1. The ceiling function is the function x = n ∈ Z where n − 1 &lt; x ≤ n. y y 2 1 2 1 -2 -1 12 -1 -2 The Floor Function x -2 -1 12 -1 -2 x The Ceiling Function Outline Piecewise-Deﬁned Functions Graphing Piecewise-Deﬁned Functions Applications Application Example As of May 2007, the ﬁrst rate postage rate for large envelopes sent through U.S. mail was \$0.80 for the ﬁrst ounce, then an additional \$0.17 per ounce thereafter, up to 13 ounces. Give the formula for the postage rate as a function of weight. State the domain and range. P (w ) = 80 + 17 w − 1 for 0 &lt; w ≤ 13....
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## This note was uploaded on 02/10/2014 for the course MATH 1050 taught by Professor K.jplatt during the Spring '14 term at Snow College.

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