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Mathematics
Problem
Determine whether the function
f
:
R
→
R
f:\mathbb{R}\to\mathbb{R}
f
:
R
→
R
defined by
f
(
x
)
=
5
x
−
7
f(x)=5x-7
f
(
x
)
=
5
x
−
7
is bijective. Give a short justification for your answer.
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