# 41 - MA 11100 1) Exam 3A Spring 2009 Solve this inequality...

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MA 11100 Exam 3A Spring 2009 1 1) Solve this inequality and write the solution using interval notation. 3 3 5 x + - ≤ A ( ,5] B [ 11,5] C [ 5,5] D ( , 11] [5, ) E ( 5,5) - ∞ - - -∞ - - 2) The speed ) ( t v , in miles per hour, at which a diver enters the water can be approximated by , 82 . 21 ) ( t t v = where t is the number of seconds the diver is falling. Estimate the speed of a diver who is in the air for 3.1 seconds from a cliff to the water. A It is less than 60 miles per hour. B It is between 60 and 63 miles per hour. C It is between 63 and 65 miles per hour. D It is between 65 and 68 miles per hour. E It is greater than 68 miles per hour. 3) Write the answer as a polynomial in descending order. ) 5 4 ( ) 2 8 ( ) 10 3 4 ( 2 2 - + - - + - x x x x 3 12 E 7 4 D 7 7 12 C 7 7 4 B 3 4 A 2 2 2 2 2 + + + + - + - + - - + + - x x x x x x x x x x

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MA 11100 Exam 3A Spring 2009 2 4) Which statement below is false concerning this polynomial? 2
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## This note was uploaded on 11/05/2009 for the course HUMA 76 taught by Professor Johnnyjames during the Fall '08 term at Foothill College.

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41 - MA 11100 1) Exam 3A Spring 2009 Solve this inequality...

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