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# Ø¬Ø²Ø¡ Ù…Ù† A3

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Unformatted text preview: A3 A3 : domain 1 inverse 2 ( one to one) 1-1- 3 domain : : domain : : even vu u + 0 ( ) : : w v u u 0 w even + u w v u even + u 0 : [ ] ( ) v or -1 -2 : < or > 0v x 6 : [ 0, 6] : 9 - x 2 : : X -1 -2 -3 9-x 2 0 9v x2 or 9v x2 x v3 ..... X -3 x 3 3 [ -3,3] inverse: : Y X X Y X Y X -1 -2 -3 -4 : Find the inverse f ( x ) = 2x + 1 : y = 2x + 1 2x = y - 1 y -1 x = 2 f -1 -1 -2 (y ) = (x ) = y -1 2 x -1 2 -3 f -1 -4 ( one to one ) 1 -1 : : f (a ) = f (b ) -1 a = b x 2 -2 : f (x ) = 2x + 1is 1 - 1?????? : f (a ) = f (b ) 2a + 1 = 2b + 1 1 1 2a = 2b 2 a =b 1-1 : f (x ) = x 2 : f (a ) v f (b ) a vb 5 6 -5 : ...
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## This note was uploaded on 11/24/2010 for the course ITC MST121 taught by Professor Ou during the Spring '10 term at The Open University.

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