1.

If f (x) = x + 1 and g(x) = 2x, then f (g(x) is equal to(a) 2 (x + 1) (b) 2x (x + 1) (c) x (d) 2x + 1

Answer»

Answer : (d) 2x + 1

f (g(x) = f (2x) = 2x + 1 (∵ f (x) = x + 1)



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