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KCET2019MathematicsFunctions

( f: R R ) and ( g:[0, ) R ) is defined by ( f(x)=x² ) and ( g(x)= x ). Which one of the following is not true?

Options

  1. Afo ( g(-4)=4 )
  2. Bg of ( (-2)=2 )
  3. C( g f(4)=4 )
  4. Dfo ( g(2)=2 )

Correct answer

A. fo ( g(-4)=4 )

Step-by-step solution

(A) ( f(x)=x² g(x)= x ) fo ( g(-4)=f[g(-4)] ) is not defined

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