SOLUTION: The range of the function f: N→N defined by f(x)= (-1)^x-1

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Question 758239: The range of the function f: N→N defined by f(x)= (-1)^x-1
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming you mean N to be the natural numbers i.e. {1,2,3,...} then
ranf={1}