quiz3_ans - QUIZ 3 (07/27/09) No CALCULATORS ' ‘ - MAP...

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Unformatted text preview: QUIZ 3 (07/27/09) No CALCULATORS ' ‘ - MAP 2302 Name: 5W5 Summer B 2009 3rd period Section 4787 Please use the blank Space and the other side of the sheet to write your solutions, numbering them clearly. 1. 2 pts Elise tl)1e method of variation of parameters to find a particular solution of the following equation: II _ 1 y + y _ cos3t 2. (2 pts) Use the definition of Laplace transform to determine 2{ f } (including its domain), if f is a piecewise defined function defined by f(t)=0, if 09:1 :2, if 1<t<oo 3. (2 pts) Is the function f (t) = In t of an exponential order? Justify your answer. Consider limHoo £25 for an a > 0.) 5.-Bonus (2 pts) Is the function f (t) = sin t2 of exponential order? Justify your answer. W G) l4€;/LZ+/:0 27994417013 ffiMW 6,0(‘5/V4f164605’e Hams/Cat (7.24%946 / . - WW W; Mr = 0 :7 W/{F ’5“? =>q4)=~ ’ z “7’ 0M“) +15%“) = 13— % 6 25051:- I 6956 4QIH=Cosf .. I , é’Ko‘pc‘wflé Mafia 3 faf‘oo alt ffl‘f'ao t,é(t {Em ('9 0.730 {£406 1?qu A6 J29“ (/6426th [S V/fnweti/"flo' ...
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quiz3_ans - QUIZ 3 (07/27/09) No CALCULATORS ' ‘ - MAP...

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