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Which of the following functions from l to itself are bijections?

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in Sets, Relations and Functions by (122k points)
Which of the following functions from l to itself are bijections?
A. `f(x) = x^(3)`
B. `f(x) = x + 2`
C. `f(x) = 2x + 1`
D. `f(x) = x^(2) + x`
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1 Answer

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Correct Answer - B
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