# Quiz1s - g is D f ◦ g =-∞-2 ∪[2 ∞(2(b(5 points Find...

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MATH 1501 Quiz 1 August 24, 2009 No books or notes allowed. No laptop, graphic calculator or wireless devices allowed. Write clearly. Name:

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MATH 1501 Quiz 1 August 24, 2009 1. Let f ( x ) = x + 1 g ( x ) = 2 x 2 - 9 . (a) (5 points) Find f g and specify its domain. Solution: f g ( x ) = 2 x 2 - 8 (1) The domain of f
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Unformatted text preview: g is D ( f ◦ g ) = (-∞ ,-2] ∪ [2 , ∞ ) (2) (b) (5 points) Find g ◦ f and specify its domain. Solution: g ◦ f ( x ) = 2 x-7 (3) The domain of g ◦ f is D ( f ◦ g ) = [-1 , ∞ ) (4) since D ( f ) = [-1 , ∞ ). Page 1 of 1...
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## This note was uploaded on 05/23/2010 for the course MATH 1501 taught by Professor N/a during the Fall '08 term at Georgia Tech.

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Quiz1s - g is D f ◦ g =-∞-2 ∪[2 ∞(2(b(5 points Find...

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