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evenans32 - Even-Numbered Answers to Exercise Set 3.2...

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Even-Numbered Answers to Exercise Set 3.2: Functions and Graphs −2 2 4 6 −6 −4 −2 2 x y −6 −4 −2 2 4 6 −4 −2 2 4 6 x y −4 −2 2 4 −6 −4 −2 2 x y −4 −2 2 4 6 −4 −2 2 4 x y −2 2 4 6 −2 2 4 6 x y 2. Yes, the graph represents a function. 4. No, the graph does not represent a function. 6. Yes, the graph represents a function. 8. No, the graph does not represent a function. 10. (a) [ ] 6 , 3 (b) [ ] 7 , 2 (c) 0 ) 2 ( = g (d) 6 , 4 , 5 . 1 = = = x x x 2 ) 1 ( = g 3 ) 1 ( = g 7 ) 3 ( = g 1 ) 5 ( = g 12. (a) ( ] 4 , 3 (b) ( ] ( ) 6 , 4 3 , 2 (c) undefined is ) 3 ( f (d) smaller is ) 3 ( f 0 ) 2 ( = f 2 ) 1 ( = f 1 ) 1 ( = f 3 ) 4 ( = f 14. (a) Domain: ( ) , (b) Graph: 16. (a) Domain: ( ] 2 , 3 (b) Graph: 18. (a) Domain: ( ) , (b) Graph: 20. (a) Domain: ( ] 5 , (b) Graph: 22. (a) Domain:
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