# Funciones

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• Publicado : 13 de noviembre de 2011

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Matemáticas I

1.- Graficar las siguientes funciones:

• [pic]

• [pic][pic]

• [pic]

• [pic]

2.- Encuentre en cada casolas funciones suma, producto y cociente.

• [pic]

• [pic]

• [pic]

• [pic]

3.- Encuentre el dominio y el contradominio de la función y dibuje lagráfica de la función.

• [pic] [pic] D=[pic][pic] R= [pic]

• [pic] D=[pic] R= [pic]-[pic]

• [pic] D=[pic] R= [pic]

• [pic]D= [pic] R= [pic]

Encada ejercicio defina las siguientes funciones y determine el dominio de la función resultante: a.- f+g; b.- f-g; c.- f(g d.- f/g; e.- g/f; f.- [pic];g.- [pic]

• [pic]

a) [pic] D= [pic]

b) [pic] D= [pic]

c) [pic] D= [pic]

d) [pic] D= (-(,-1)((-1,1) ((1,+ ()
e) [pic] D= [pic]- (5(

f)[pic] D= [pic]

g) [pic] D= [pic]

• [pic]
a) [pic] D= [pic]- (0( -(1(

b) [pic] D= [pic]- (0( -(1(

c) [pic] D= [pic]- (0( -(1(

d) [pic] D=[pic]- (1(

e) [pic] D= [pic]- (0( -(1(
f) [pic] D= [pic]-(1(

g) [pic] D= [pic]-(1(

• [pic]

a) [pic] D= ( 0,+ ()

b) [pic] D= ( 0,+ ()

c)[pic] D= ( 0,+ ()

d) [pic] D= ( 0,1) ( (1, +()

e) [pic] D= (0,+ ()

f) [pic] D= ( -1,+ ()

g) [pic] D= ( 0,+ ()

• [pic]

a) [pic] D=[pic]
b) [pic] D=[pic]

c) [pic] D=[pic]

d) [pic] [pic] D= [pic]

e) [pic] D=[pic]

f) [pic] D=[pic]

g) [pic] D=[pic]• [pic]

a) [pic] D=[pic]

b) [pic] D=[pic]

c) [pic] D=[pic]

d) [pic] D=[pic]
e) [pic] D=[pic]

f) [pic]...