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wara
If y = sin x:x can take on any value, so the domain is the set of real numbers.y can take on values between -1 and 1 (including the extremes); so the range is -1
8 - x = -1-x = -9x = 9You need to take 9 from 8 to get -1.
It´s simple. Go first and take 2 gemstones. From that point on: if he takes 3, you take 1; if he takes 2, you take 2; and if he takes 1, you take 3. Simple. That works because when you take 2, there are 21 gemstones left. When he take and you take, there will be 17, 13, 9, 5, and finally 1 to him.
take their averages to find a fraction between 1/4 and 1/3 take [(1/4) + (1/3)]/2 to get 7/24