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Mathematics
Mathematics
Problem
Consider the relation
R
=
{
(
1
,
2
)
,
(
1
,
3
)
,
(
2
,
4
)
}
R=\{(1,2),(1,3),(2,4)\}
R
=
{(
1
,
2
)
,
(
1
,
3
)
,
(
2
,
4
)}
from the set
A
=
{
1
,
2
}
A=\{1,2\}
A
=
{
1
,
2
}
to the set
B
=
{
2
,
3
,
4
}
B=\{2,3,4\}
B
=
{
2
,
3
,
4
}
. Explain why
R
R
R
is not a function from
A
A
A
to
B
B
B
.
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