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Mathematics
Mathematics
Problem
Consider
f
:
R
→
R
f:\mathbb R\to\mathbb R
f
:
R
→
R
defined by
f
(
x
)
=
3
x
+
2
f(x)=3x+2
f
(
x
)
=
3
x
+
2
. The function
f
f
f
is a) only injective b) only surjective c) bijective d) neither injective nor surjective
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