Respuestas

  • Usuario de Brainly
2013-11-09T20:16:13+01:00
Solución:
a) ( 13 ; 8): -...________|_____________)_______________________)____________...+
..................0......................8......................................13

b) (-2 ; 7) :
-...__________(_________|__________________)___________...+
.....................(-2)............0..............................7

c) (-3; -7):
-...________(__________________)____________|_______________...+
................(-7)...........................(-3)....................0

d) (-5; + infinito):

-..._______(--->________________|____________________...+
...............(-5)..............................0.................................

Espero haberte colaborado. Suerte.