- What are the suprema and infima of {x > 0: sin(1/x) = 0} and {x > 0: cos(2/x) = 1}?

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Find the intervals on which the function F (x)= x^(2)+|5x+1|+5 is increasing and deceasing? Is the earth flat or round? Jw wondering what people are thinking nowadays.? The pendulum of a certain pendulum clock is made of brass. When the temperature increases, what happens to the period of the clock? What is the molarity of a solution made by dissolving 36.29g of NaCl in 2.30L of solution? Solve this problem in Z : x^2+5y=10z+8?