KCET 2012 Math Solved Paper

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Question : 24 of 60

Marks: +1, -0

If f : ℝ→ℝ is defined by f(x)=2x+3, then f−1(x)

is given by
x−3
2
is given by
1
2x+3
does not exist because 'f' is not injective
does not exist because 'f' is not surjective

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