Test3Solutions1 - t e<.7-aT Intermediate Algebn Test#3...

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t .- .-- e< aT ,:. ..7 - .+ Intermediate Algebn Test #3 - Chapters 3 and 4 SHOW ALL WORK!!! a i 1. (10 Derek canoes for 3 hows with a 4-lonm ckrent to reach a campsite. The return trip against the same current took 6 hours. Find how fast Derek can canoe in still water (without a current). Write your solution in a sentence! You must use algebra to solve this problem. If you don't, you will get 0 points. 2x+y=8 2. (10 ptr) Salve by graphing: If you do not graph the lines, you mill get 0 poin y-x=2
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3. (i~pta) Solve the following system of equations. Show aIl work!!! , - - . 6x+2y-4z=18 -3~-4y+2~ =-12. 4~-6y+3r~~&=;$ '%it": -. . . > 1 . i . ye--f-
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(10 ptp.1 Find a11 values of x such thar J - (x) > g(x) , wnere f \A) = -8(2;rr, + 31 + $4 - 5x) and = 2(1- 7x) - 4(4 + 6x) . Graph your solution write the solution in both Interval Notation and set builder notation. &~)=-j&r-~dtdr--30s = -4%
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This note was uploaded on 04/12/2011 for the course MTH 112 taught by Professor Williamson during the Spring '10 term at Grand Valley State.

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Test3Solutions1 - t e<.7-aT Intermediate Algebn Test#3...

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