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CUET
-- Mathematics - Section B1
Relations and Functions
Let f : N → R : f(x) = \[\frac{2x+1}{2}\] and g : Q → R : g(x) = x + 2 be two functions. Then, (gof) (3/2) is
8
\[\frac{7}{2}\]
4
Not defined
3/2 does not belong to natural numbers. So f is not defined.
