Unformatted text preview: Intersection of A and B : A B ! ={ x  x is an element of A and x is an element of B } * Union of A and B : A B ! ={ x  x is an element of A or x is an element of B } Solve the following linear inequalities and graph the solution sets: 1. a) 2 30 50 x + < b) 15 3 5 y y + ! + 2. a) 9 4( 2) 1 x x ! " ! ! + b) 3 1 ( 4) 2(3 ) 4 2 m m + > ! ! + 3. a) 3 4 9 t < + < b) 3 6 2 12 x ! " ! ! " 4. For each of the following double inequalities , decide whether intersection or union should be used. Draw a number line graph of each solution. Then give the solution in both solution set and interval notation. a) 3 15 y ! < and 2 1 y + > b) 2 4 x ! " ! or 10 x ! "...
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This note was uploaded on 10/18/2011 for the course MAC 1105 taught by Professor Russel during the Summer '07 term at Valencia.
 Summer '07
 RUSSEL
 Algebra, The Distributive Property, Inequalities

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