NDA Math Sets Relations and Functions
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Consider the following for the next three (03) itcms that follow:
Letf ( x ) be a function satisfying f ( x + y ) = f ( x ) f ( y ) for all x , y ∈ N such that f ( 1 ) = 2 :
Let
[NDA II 2022]
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What is
2 x f ( x ) equal to?
[NDA II 2022]
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