College Algebra LinC
College Algebra LinC MAC 1105
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This 6 page Class Notes was uploaded by Deshawn Dickens on Thursday October 29, 2015. The Class Notes belongs to MAC 1105 at Valencia College taught by Staff in Fall. Since its upload, it has received 10 views. For similar materials see /class/231223/mac-1105-valencia-college in Calculus and Pre Calculus at Valencia College.
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Date Created: 10/29/15
Horizontal and Vertical Shifts ranslations Outside shx s fx UP fay DOWN 10 Basm GraEhs ltxgtx xx3 Insxde shx s x 5 LEFT x 7 RIGHT xx2 x Ami MPH xl xLz X x x H Whereb gt1 x logxx Examgles xx12 xx12 Le l 1 fxx2l fxx271 1 Downl AnnK fxl Le l Upl fx3x275 fx4lxi3 Le 2 Down 5 Right 3 Down 4 ltxgt5 x71 1 x2 376 fxx224 Le 3 Down 6 Le 2 STORY PROBLEM EXAMPLE 1 A small newspaper press can produce 50X newspapers per weekday if it charges X cents per newspaper According to a recent survey taken the public will purchase 7500 10X newspapers at a price of X cents per newspaper a What is the supply equation b What is the demand equation c Find the intercepts of the graphs to help you choose a window then graph both equations d Find the equilibrium price and the number of newspapers that the press can sell at that price STORY PROBLEM EXAMPLE 2 Determine the number of liters of a 15 salt solution and the number of liters of a 30 salt solution you need to combine to get 12 liters of a 20 salt solution in the table Amount Liters salt of salt b Write two equations about the amount of solution that we need c Solve the system and give your result as an answer to the story problem
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