Answers,Wkst3.1 - Answers to Worksheet for Section 3.1 1) a...

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Unformatted text preview: Answers to Worksheet for Section 3.1 1) a ) V (0, −1) b) opens up c) x = 0 d ) −1 e) 1, − 1 f ) minimum value is − 1 when x = 0 2) a ) V (−3, −12) b) opens up c ) x = −3 d) −3 e) − − − − f ) minimum is − 12 when x = −3 3) a ) V (−1.5, 24.5) b) opens down c) x = −1.5 d ) 20 e) − 5, 2 f ) maximum is 24.5 when x = −1.5 4) a ) V (2, − ) b) opens up c) x = 2 d) − 5 2 9 2 9) 10) 11) 12) 13) f ( x) = ( x + 2) 2 + 1 f ( x) = −( x − 3)2 + 1 f ( x) = −4( x − 2) 2 + 6 f ( x) = 2( x − 1)2 − 5 f ( x) = ( x + 1) 2 − 1 2 3 2 14) (7,10) 15) (3,10) 16) (−7, −36) e) − 1, 5 f ) minimum of − 4 5) 6) 7) 8) 1 2 when x = 2 1 2 1 f ( x) = − ( x − 3) 2 + 3 12 1 f ( x) = − ( x + 2)2 + 3 3 3 f ( x) = ( x − 4)2 + 7 16 f ( x) = − ( x − 2) 2 + 2 ...
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This note was uploaded on 04/23/2011 for the course MA 152 taught by Professor Owendavis during the Spring '08 term at Purdue University-West Lafayette.

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