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UP TGT Mathematics Set Theory Test Series - Part 5

The function f:ℝ→ℝ, f(x)=3x−2, is

Type: MCQ • Marks: 1
The function f:ℝ→ℝ, f(x)=3x−2, is
Options
A. injective but not surjective
B. surjective but not injective
C. neither injective nor surjective
D. bijective
Explanation
A nonzero-slope linear function on ℝ is injective and every real output is attained.
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