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    

Hint:

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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