Answer: Option A ( 2 ,3 ,4 ,5 ) is correct answer
Step-by-step explanation: Domain of a function is defined by the values obtained by x. The value of obtained by y is called the range of the function. Here values of x are 2, 3, 4 and 5. Values of y are 1,4,4,2.
Since domain is the values of x, hence domain of the function is 2,3,4,5
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