Draw diagrams in the plane of the Cartesian product A x B for the given sets A and B
1) $A= {x \in R: 1\leq x\leq 2~~~or~~3\leq x\leq 4}$
$B={x\in R: x =1 or x =2}$
2) A ={1,2,3}
$B= {x\in R: 1\leq x\leq 3}$
Please, help

Question

loser66 · Answer

for 1) I got |dw:1409176324044:dw| but I don't know whether it is right or wrong.
for 2) I don't know how to draw

tkhunny · Answer

Except for the extra "3", it looks okay.  Not sure what the point is of this exercise, but I guess that's what it wants.

loser66 · Answer

sorry, it's 4, not "extra 3" :)

loser66 · Answer

@dan815

loser66 · Answer

|dw:1409177808046:dw|

tkhunny · Answer

Again, that looks fine.  Still not sure what it wants.

loser66 · Answer

hihihi... thank you .

dan815 · Answer

|dw:1409178663179:dw|