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Question

The minimum value of f left parenthesis x right parenthesis equals vertical line 3 minus x vertical line plus vertical line 2 plus x vertical line plus vertical line 5 minus x vertical line is

  1. 0    
  2. 7    
  3. 8    
  4. 10    

The correct answer is: 7


    To find the minimum value of the given function.
    At x=3, f(x) = 10-x which is minimum.
    f(3) = 10-3 = 7

    Hence, the minimum value of given function is 7.

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