If f ( x ) = 3 x – 5, then f –1 (x)

Mathematics · JEE Advanced · NTA ExamsSets, Relations and Functions

If f(x) = 3x – 5, then f–1(x)
  1. is given by
  2. is given by
  3. does not exist because f is not one - one
  4. does not exist because f is not onto.

Answer

(B) is given by

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