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Consider the function f(x)= x-1 x+1 . What is f(2 x) equal to?

Options

  1. Af(x)+1 f(x)+3
  2. Bf(x)+1 3 f(x)+1
  3. C3 f(x)+1 f(x)+3
  4. Df(x)+3 3 f(x)+1

Correct answer

C. 3 f(x)+1 f(x)+3

Step-by-step solution

The correct answer is option(C)

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