Algebra 1 PC 2 2024-2025 - Day #2 review Inverse and AV function

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What is the definition of an absolute value function?

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An absolute value function is a function that describes the distance of a number from zero on the number line, denoted as |x|. It is always non-negative.

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CCSS.HSF-IF.C.7D

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Write the absolute value equation representing a target weight of 4 pounds with a tolerance of 1.5 pounds.

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CCSS.HSA.CED.A.3

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If Mr. McKay charges $50 per hour for tutoring, what is the equation to calculate total earnings based on hours tutored?

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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What is the total amount Mr. McKay will earn after tutoring for 110 hours?

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$5,500

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CCSS.6.EE.B.7

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Write the absolute value equation for a 20-ounce bottle of sports drink that must be within 0.03 ounces of the target volume.

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CCSS.HSA.CED.A.3

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What is the purpose of using absolute value in equations?

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Absolute value is used to express the distance from a specific value, allowing for the representation of tolerances or errors.

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CCSS.HSA.CED.A.3

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CCSS.HSF-BF.B.4A

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To solve, set up two equations: x - a = b and x - a = -b, then solve for x.

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What does the term 'tolerance' mean in the context of measurements?

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Tolerance refers to the allowable deviation from a specified value, indicating how much a measurement can vary.