hw16 - g ). Exercise 46. Let h : A B be a function and let...

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Intro to Abstract Math Homework 16 Fall 2009 Due October 14 Exercise 44. Let f : R R be given by f ( x ) = x 2 - 6 x + 11. Show that Im( f ) = [2 , ). Exercise 45. Let A be a set and let g : P ( A ) → P ( A ) be defined by g ( X ) = A - X . Find, with proof, Im(
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Unformatted text preview: g ). Exercise 46. Let h : A B be a function and let R = { ( x,y ) | h ( x ) = h ( y ) } A 2 . Show that R is an equivalence relation on A ....
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