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f : N → N f(x) = (x - 1)/2 செயல்பாடு மேல் சார்பு என்று கட்டவும்? 

  1. சரி
  2. தவறு
  3. தவறான தரவு
  4. மேலே குறிப்பிட்ட எதுவும் இல்லை 

Answer (Detailed Solution Below)

Option 3 : தவறான தரவு
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Detailed Solution

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கொடுக்கப்பட்டவை f(x) = (x - 1)/2 = y

 x - 1 = 2y

 x = 2y + 1

⇒ f(2y + 1) = (2y + 1 - 1)/2

⇒ f(x) = y

f(x) மேல் சார்பில் உள்ளது

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