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Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Sets & FunctionsFunctions and Relations

If $F(x) + F(-x) = 6$, then the function is:

A.Odd function
B.Even function
C.Constant symmetric formCorrect answer
D.Neither even nor odd

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Quick fact: The function satisfies $F(x) + F(-x) = 6$, which represents a constant symmetric form.

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