Maths-
General
Easy

Question

Rolle’s theorem is not applicable tto the function f left parenthesis x right parenthesis equals vertical line x vertical line defined on [−1, 1] because

  1. f is not continuous on [−1, 1]    
  2. f is not differentiable on left parenthesis negative 11 right parenthesis    
  3. f left parenthesis negative 1 right parenthesis not equal to f left parenthesis 1 right parenthesis    
  4. f left parenthesis negative 1 right parenthesis equals f left parenthesis 1 right parenthesis not equal to 0    

The correct answer is: f is not differentiable on left parenthesis negative 11 right parenthesis


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