Maths-
General
Easy

Question

The function f left parenthesis x right parenthesis equals square root of a squared minus x squared end root left parenthesis a greater than 0 right parenthesis is increasing in

  1. open parentheses negative infinity comma negative a close parentheses union open parentheses a comma infinity close parentheses space
  2. left parenthesis a comma infinity right parenthesis
  3. left parenthesis negative a comma 0 right parenthesis
  4. left parenthesis 0 comma a right parenthesis

The correct answer is: left parenthesis negative a comma 0 right parenthesis

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