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1. f(x)=4−(x−3)2 ফাংশনের ডোমেইন এবং রেঞ্জ যথাক্রমে−

  • A. R,x ≤4
  • B. R,x ≤4
  • C. R,x ≤4
  • D. R,x ≤4

Answer: Option A

Explanation:

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