Determine o dominio e a imagem das funções apresentadas.
a- A=(0,1,2,3,4) B=(0,2,3,4,6,7,9,11,12) Onde. f:A-B
X-Y=3X
b- A=(2,4,6,8,10) B=(0,1,2,3,4,5) Onde f:A-B
X-Y=X/2
C- A=(0,1,2,3,4,5) B=(-2,-1,0,2,4,5,6,7,8) f:A-B
X-Y=X-1
por ![\frac{\sqrt[]{\sqrt[4]{8}+\sqrt[]{\sqrt[]{2}-1}}-\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}-1}}}{\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}+1}}}](/latexrender/pictures/981987c7bcdf9f8f498ca4605785636a.png "\frac{\sqrt[]{\sqrt[4]{8}+\sqrt[]{\sqrt[]{2}-1}}-\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}-1}}}{\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}+1}}}")
![\sqrt[]{2}](/latexrender/pictures/f21662d1cabab6e8b273a4b6f1cd663a.png "\sqrt[]{2}")
e elevar ao quadrado os dois lados)