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Mathematics
Problem
Verify whether the function defined by
f
:
R
−
{
3
}
→
R
−
{
1
}
f: R - \{3\} \to R - \{1\}
f
:
R
−
{
3
}
→
R
−
{
1
}
f
(
x
)
=
x
−
2
x
−
3
f(x) = \frac{x-2}{x-3}
f
(
x
)
=
x
−
3
x
−
2
is one-one and onto or not.
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