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Unformatted text preview: 21 1 2 321 1 2 Example 2 1 0 1 28 2 Solve and graph the solution set 3. 4 1 x x + <21 1 2 321 1 2 Applications Example A student is standing on the top of a university building which is 80 feet tall. If he throws a softball up in the air with an initial velocity of 32 feet/sec, during which time period will the ball' 2 s height exceed that of the university building? s(t)=16t v t s + + (a) (b) (c) (d) 3 Express the solution set of the following inequality in interval notation x 9 x ( ] [ ] [ ] [ 29 [ ] [ ] [ ] [ ] , 3 0,3 3,0 3, , 3 0,3 3,0 3,    (a) (b) (c) (d) Express the solution set in interval notation 5 0. 2 1 x x( 29 [ 29 1 ,5 2 ,5 5, 1 ,5 2 ...
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 Fall '11
 jayjohn

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