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Math Chapter Wise question with answer

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Question #45,405
Math Chapter Wise Sets, Relations And Functions English MCQ DSE TGT 2019

Q.If f: ℝ ℝ ℝ → ℝ ℝ ℝ, g: ℝ ℝ ℝ → ℝ ℝ ℝ are defined by f(x) = 4x – 1 and g(x) = x2 + 2, then fof(x) =

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