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Mathematics
Mathematics
Problem
Let
A
=
{
2
,
3
,
4
}
A=\{2,3,4\}
A
=
{
2
,
3
,
4
}
and
B
=
{
4
,
6
,
9
}
B=\{4,6,9\}
B
=
{
4
,
6
,
9
}
. A relation
R
R
R
from
A
A
A
to
B
B
B
is defined by
a
R
b
aRb
a
R
b
if
a
a
a
divides
b
b
b
. The domain of
R
R
R
is a)
{
4
}
\{4\}
{
4
}
b)
{
2
,
3
}
\{2,3\}
{
2
,
3
}
c)
{
2
,
3
,
4
}
\{2,3,4\}
{
2
,
3
,
4
}
d)
{
4
,
6
,
9
}
\{4,6,9\}
{
4
,
6
,
9
}
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