E4RevAns - -60 + 9 ln(21) 15. Area = 2 ; Denite integral =...

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Review Answers – Exam 4 1. rows from left to right: Row 1: x + 4 x + ln | x | + C - 1 4 ( x 2 - 4) - 2 + C 1 12 (2 - x ) 12 - 2 11 (2 - x ) 11 + C Row 2: 62 3 1 12 ( e 2 x + e ) 6 + C 98 3 Row 3: 1 2 ( e 3 - e - 1 ) - 32(4 - x ) 1 2 + 16 3 (4 - x ) 3 2 - 2 5 (4 - x ) 5 2 + C 3 2 ln | 1 + x 2 | + C 2. (a); 1 66 (2 x 3 + 1) 11 + C ; expand into a polynomial and integrate each power 3. 158 4. 10 ln(2) 6 . 9 million jobs 5. f ( x ) = x 2 + 1 2 e 2 x - e - x + C , where C is any constant; f ( x ) = x 2 + 1 2 e 2 x - e - x + 3 2 6. 1 2 foot 7. 1 2 8. 1 6 + 1 3 ( t 2 + 1) 3 / 2 9. 4 e + 212 3 10. e ; does not exist 11. - 32 elk (net loss of 32 individuals) 12. a) 237 850 b) 152 425 c) 1 2 ln(2) 13. 25 3 - 2 ln(2) 14. Displacement:
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Unformatted text preview: -60 + 9 ln(21) 15. Area = 2 ; Denite integral = 2 3 16. C ( x ) = 100 x + x + 5 ; C ( x ) = 100 + x 2 + 5 x 17. Area = 1 3 ; Area = 13 2 18. 1000 e 2 . 5 ln(5) = 25000 5 55902 mice 19. consumer surplus = 100 ln(5)-80 80 . 94 (equilibrium when x = 4 and p = 20 ) 20. F (9) = 2 ; Max value is 5 ; Min value is-1...
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