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D Describe and graph the interval of real numbers for inequality x ≥ 1. D

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D Describe and graph the interval of real numbers for inequality x ≤ 3. D

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D Convert the inequality  2 ≤ x ≤ 5 to interval notation. D

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D Arrange the real numbers 2, 4, 5, 6, in the ascending order. ff

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ff What are the end points of the interval [ 5, 4] ? ff

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ff Describe and graph the interval of real numbers for inequality x < 8. ff

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ff Describe and graph the interval of real numbers for inequality x < 5. ff

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ff Describe and graph the interval of real numbers for inequality x ≥ 3. ff

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ff Describe and graph the interval of real numbers for inequality  2 < x ≤ 4. ff

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ff Describe and graph the interval of real numbers for inequality 4 ≤ x ≤ 8. ff

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ff Describe and graph the interval of real numbers for inequality x ≤ 4. ff

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ff Graph the number line for the interval [ 4, 5). ff

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ff Graph the number line for the interval ( 8, 0]. ff

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ff Convert the inequality  4 ≤ x < 8 to interval notation. ff

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ff A machined part is to be 20.5 mm wide, with a tolerance of 0.01 mm. What is the greatest possible width that is acceptable? ff

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ff The radius of a machined part is 2.5 cm, with a tolerance of 0.003 cm. What is the least possible radius that is acceptable? ff

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ff Convert interval notation [ 4, 6) to inequality notation. ff

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ff Convert interval notation [ 3, 0] to inequality notation. ff

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ff The length of a machined part is to be 8.5 cm, with a tolerance of 0.04 cm. Express the tolerance limit as an absolute value inequality. (Use the variable n for the actual measure of the part in cm.) ff

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ff There are three different types of flowers from which a florist has to select one flower from each type to make a bouquet.The probability of selecting the first flower from each type is 0.78, 0.44 and 0.71. Order the probabilities in ascending order. ff

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