Quiz 1.3

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1 ) Find the equation for the line with the give properties.Through (5, -2)  with slope 1/2.   (5pts)   y = (1/2)x + 1/2   y = (1/2)x - 1/2   y = (-1/2)x + 1/2   y = (-1/2)x - 1/2 2 ) Write an equation for the line with the given properties.Through (2, 5)  and (1, -2)   (5pts)   y = (1/7)x + 9   y = (1/7)x - 9   y = 7x + 9   y = 7x – 9 3 ) Membership in a swimming club costs $250 for the 12-week summer  season. If a member joins after the start of the season the fee is prorated;  that is, it is reduced linearly. Compute the cost of a membership that is  purchased 5 weeks  after the start of the season.  (5pts)   $104.15   $145.85   $354.15
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  $395.85 4 ) Membership in a swimming club costs $250 for the 12-week summer  season. If a member joins after the start of the season the fee is prorated;  that is, it is reduced linearly. Express the membership fee as a function of  the number of weeks that have elapsed by the time the membership is  purchased.   (5pts)   f(t) = (250/12)t + 250   f(t) = (250/12)t - 250   f(t) = (-250/12)t + 250   f(t) = -(250/12)t – 250 5 ) To encourage motorists to form car pools, the transit authority in a 
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This note was uploaded on 07/22/2011 for the course MATH 2143 taught by Professor Smart during the Spring '11 term at ASU.

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