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Quiz 2 Key - Spring 2008

# Quiz 2 Key - Spring 2008 - Finite Mathematics Quiz#2 Friday...

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Unformatted text preview: Finite Mathematics Quiz #2 Friday, February 8, 2008 Name Sections 5.1-5.3 Make sure you Show all your work on this paper. Solutions without correct supporting work will not be accepted. 1. Minimize f:x+2y+4z (12 points) Maumiao 5 = —' “15"4 Z rx—Zysz—S _ ‘ Subjectto _2x+yg#8 'X-Zgh%+&ll:h x+y+22512 “2X 1" Ala-'2— ‘— "‘8 x20,y20,220 x + 3 +ZE+ A3 :]L +X+M+Qé+3 "3-0 mwAIaQM \$55’5 1%." 5 w-ws—W-omd 17;;0. LOOK ON THE BACK 3 2. The InfoAge Communication Store stocks fax machines, computers, and portable CD players. Space restrictions dictate that it stockno more than a total of 100 of these three machines. Past sales patterns indicated that it should stock an equal number of fax machines and computers and at least 20 CD players. If each fax machine sells for \$500, each computer for \$1800, and each CD player for \$1000, how many of each should be stocked and sold for maximum revenue? (13 points) )L:%d&-(;OALMW Max/low}, R: BOOK-1' Itoog+loooze 'Sdoixwl’o WH96100 tweeioo ' r are ~10 R1500“ [EOOXHOOOg K: ZSOOK+.)O0,0Z: g+jzkloozro ' .x “Eiﬁ EL:* ' '-?_300>(—lc>ooz+ﬂ:o .- o -,2(21.+Y—\ ~l>(‘ o ‘12 UL Boo£z+£3 _ 0-0 1150 [so X140 )2330 ﬂb%:q0' ...
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Quiz 2 Key - Spring 2008 - Finite Mathematics Quiz#2 Friday...

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