NC Math 3 EOC Review

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What is the absolute value function that models the tire pressure situation where the recommended pressure is 30 psi and should be within 2 psi?

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It represents that the distance between x and a is less than or equal to b.

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How do you determine the intervals where a function is increasing?

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A function is increasing on an interval if the derivative is positive on that interval.

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It represents all real numbers x such that x is greater than or equal to 2.

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What is the absolute value inequality that represents a value being at least 30 units away from 2?

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It indicates all real numbers x such that x is less than or equal to -1.5.

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What is the significance of the critical points in determining the intervals of increase or decrease of a function?

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Critical points are where the derivative is zero or undefined, and they help identify where the function changes from increasing to decreasing or vice versa.

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The function is decreasing if its derivative is negative on that interval.

Front

What is the absolute value function that models the situation where a tire pressure is at least 2 psi away from 30 psi?

Back