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# E1FreeAns - 2 P x =-300 26 x-1 2 x 2 3c 26 passengers at...

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Answers – Fall 2009 Exam 1 version A 1a. 1 / 10 1b. 3 / 4 1c. 8 years 2. A ( x ) = ( 200 x + 3)( x + 3) 3a. p = 55 - 1 2 x 3b. C ( x ) = 200 + 26 x R ( x ) = 55 x - 1 2 x 2 P ( x ) = - 200 + 29 x - 1 2 x 2 3c. 29 passengers at price \$ 40 . 50 3d. R ( p ) = - 2 p ( p - 55) 4a. 0 -∞ 0 - 1 0 0 DNE DNE 0 4b. 4c. x = 0 inﬁnite; x = - 1 jump 5a. rational; ( -∞ , 0 ) ( 0 , 2 ) ( 2 , ) 5b. - 1 , -∞ , - 1 / 2 5c. x = 2 removable; x = 0 nonremovable 5d. Deﬁne f (2) = - 1 2 5e. 1 x - 1 with hole.

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Answers – Fall 2009 Exam 1 version B 1a. 1 / 20 1b. 3 / 4 1c. 6 years 2. A ( x ) = ( 100 x + 5)( x + 5) 3a. p = 50 - 1 2 x 3b. C ( x ) = 300 + 24 x R ( x ) = 50 x - 1 2 x
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Unformatted text preview: 2 P ( x ) =-300 + 26 x-1 2 x 2 3c. 26 passengers at price \$ 37 . 00 3d. R ( p ) =-2 p ( p-50) 4a. 1 ∞ DNE DNE 4b. 4c. x = 0 inﬁnite; x = 1 jump 5a. rational; (-∞ , 0 ) ∪ ( 0 , 2 ) ∪ ( 2 , ∞ ) 5b. 1 ,-∞ , 3 / 2 5c. x = 2 removable; x = 0 nonremovable 5d. Deﬁne f (2) = 3 2 5e. 1 x + 1 with hole....
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E1FreeAns - 2 P x =-300 26 x-1 2 x 2 3c 26 passengers at...

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