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    Mathematics
    Grade-4-
    Easy

    Question

    Look carefully at the numbers going in this function machine and the numbers coming out. The rule of the function machine is __________

    1. + 3    
    2. - 3    
    3. × 3    
    4. + 14    

    hintHint:

    In the given question, we have to identify the function that the function machine is carrying out. The inputs and outputs are given in the given question.

    The correct answer is: × 3

      Step by step solution:
      First input : 7
      First output : 21
      we know that, 7 times 3, i.e., 7 x 3 = 21
      Similarly for the second and third output too the inputs are getting multiplied by 3.
      Thus, the rule of the function machine is x 3.
      Hence, option(b) is the correct option.

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