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Let A = x R |x 0| . A function f: A A is defined by f(x)=x^2 . Which one of the following is correct?

Options

  1. AThe function does not have inverse
  2. Bf is its own inverse
  3. CThe function has an inverse but f is not its own inverse
  4. DNone of the above

Correct answer

C. The function has an inverse but f is not its own inverse

Step-by-step solution

The correct answer is option C.

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