Ejercicios de Funciones - VI III I Halla el dominio de cada...

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I. Halla el dominio de cada una de las funciones: a) 2 ( ) 4 3 f x x x b) ( ) 1 f x x c) 2 ( ) 4 x f x x d) 2 1 ( ) 5 6 x f x x x e) 2 2 2 1 ( ) 3 x x f x x x f)   2 2 4 2 4 9 ( ) 17 16 x x f x x x g) 2 2 1 ( ) 3 2 3 2 f x x x x x h) 1 ( ) f x x x i) 2 1 ( ) 2 1 x x f x x x j) 2 ( ) 1 2 1 1 f x x x x k) 2 2 3 4 ( ) 21 4 x x f x x VI. Determina el dominio, rango y grafica la función: a) 2 9; 4 ( ) 5 2; 4 x x f x x x b) 2 3 ; 1 ( ) ; 1 x x f x x x c) 3 2; 4 4 ( ) ; 4 6 x x f x x x d) 2 2; 2 ( ) 2 3; 1;1 x x f x x x x   e) 2 4; 3 ( ) 2 1; 3 x x f x x x III. Halla el dominio de las siguientes funciones: a) x x x f 2 1 ) ( b) x x x f 2 1 ) ( c) x x x x f 2 2 ) ( d) x x f 1 ) ( e) 3 1 ) ( x x f f) 2 ) ( x x
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