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in Sets, Relations and Functions by (50.2k points)
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Let f : N → R be the function defined by f(x) = (2x - 1)/2 and g : Q → R be another function defined by g (x) = x + 2. Then (g o f)3/2 is 

A. 1  B. 1 C. 7/2 D. None of these

1 Answer

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by (48.8k points)
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Best answer

Given that, f(x) = (2x  -1)/2 and g (x) = x + 2

Now,

gof(x) = g(f(x))

⇒ 1+2 = 3

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