homework4 - Math 21A Quiz 4(Waldron Name 60(QH0U‘15 Score...

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Unformatted text preview: Math 21A: Quiz 4 (Waldron 3/6/08) Name: 60(QH0U‘15 Score: 2C) This is an open book, closed notes, NO CALCULATOR quiz. Show all work. Note: fl: 1, «'23:. 1.41, fix 1.73, fl: 2, fiz224 Supertankers off-load oil at a docking facility 1 mile offshore. The refinery is 1 mile down the coast from the point on the shore nearest the docking facility. A pipeline must be constructed connecting the docking facility with the refinery. The pipeline costs $ 2,000,000 per mile if constructed underwater and $ 1,000,000 per mile if on land. Find the minimum cost of constructing the pipeline. Docking 5 Facility Refinery (53 Cos—rad 1 Z(\l\+x1)+ l("'"\ ‘M wii‘ons Q do“ 0 ~ my; (.0 :1» - - (5) S (O) ‘ 7. +( ’ 3 William Der 5+(I/ELJK’ h) SL‘OV‘C I Wit C < V— avx\ i m\\~€ cm (0M4 05+ ’1‘: e 7. : ‘ ’ . 2 ZULH) : 2.82 90/ z|\ may ,oxpeliwa Milka fl cos—Hg} 2“ «WW a"? L w l I. O x) Z X * ‘{ !+ y) ...
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