Let f (x) And G(x) Be Bijective Function Where f :{a, B, C, D}{1, 2, 3, 4}and G:{3, 4, 5, 6}{w, X, Y, Z) Respectively. The Number Of Elements In The Range Set Of G(f (x)) Is

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Question

Let f (x) and g(x) be bijective function where f :{a, b, c, d}{1, 2, 3, 4}and g:{3, 4, 5, 6}{w, x, y, z) respectively. The number of elements in the range set of g(f (x)) is

1
2
3
4

easy

Solution

Correct option is

2

Range of f(x) for which g(f(x) is defined is {3, 4}

Hence domain of g(f(x) has two elements.

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