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MHT CET · Maths · Functions

If f:R-2R is a function defined by fx=x2-4x-2, then range is

  1. A R
  2. B R-2
  3. C R-4
  4. D R--2, 2
Verified Solution

Answer & Solution

Correct Answer

(C) R-4

Step-by-step Solution

Detailed explanation

Given f( x )= ( x2 )( x+2 ) ( x2 ) ; D f :R{ 2 }
R f :R{ 4 }