21_Cal_Solution of Calculus_6e

21_Cal_Solution of Calculus_6e - [ x 8] = 1, $1.60 if [ x...

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2.5 5 7.5 10 12.5 15 2.5 5 7.5 10 12.5 15 5 10 15 20 2.5 5 7.5 10 12.5 15 [[ x 8]] = 1, $1 . 60 if [[ x 8]] = 2, and so on. But this isn’t quite right—we are using the Floor function of Section 1.1, whereas we should really be using the Ceiling function. By the result of Problem 51 of that section, we see that instead of cost C ( x )=8+(0 . 8)[[ x 8]] for 8 <x 5 16, we should instead write C ( x )= ½ 8i f 0 5 8 , 8 (0 . ( x 8)]] if 8 5 16 . The graph of the cost function is shown next. C01S02.080: Solve this problem like Problem 79 (but it is more complicated). Result: C ( x 3i f 0 5 2; 3 0 . 5[[
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This note was uploaded on 09/14/2011 for the course MATH 101 taught by Professor Cheng during the Spring '11 term at Ecole Hôtelière de Lausanne.

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