NC Math 3 Unit 7 Trigonometry Review

• The two functions are impossible to compare because they have different midline equations.

• The two functions have the same period but different amplitudes.

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CCSS.HSF-IF.C.7E

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CCSS.HSF-IF.C.7E

• The difference between the highest and lowest water heights is 10 feet.

• The difference between the highest and lowest water heights is 14 feet.

• The water level is at its highest value at midnight.

• The water level is at its highest value at 3:30 am.

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CCSS.HSF.TF.A.2

What is the correct midline equation for this trigonometric function?

• y=-1

• y=2

• y=5

• y=1

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CCSS.HSF-IF.C.7E

What is the correct amplitude for this trigonometric function?

• The amplitude is 3.

• The amplitude is 6.

• The amplitude is 5.

• The amplitude is 1.

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CCSS.HSF-IF.C.7E

What is the correct period for the trigonometric function?

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CCSS.HSF.TF.A.4

Which statement about this trigonometric function is false?

• The function has an amplitude of 2.

• The function has a midline equation of y=3.

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CCSS.HSF-IF.C.7E

Which statement about this trigonometric function is true?

• The midline of the function is y=-3.

• The amplitude of the function is 3.

• The distance between the highest and lowest values is 3.

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CCSS.HSF-IF.C.7E

What is the period and what does it represent in this context?

• The period is 24 degrees Celsius and it represents the difference between the days' low and high temperatures.

• The period is 24 degrees Celsius and it represents how often the cycle of temperature repeats in a day.

• The period is 24 hours and it represents half the difference between the days' low and high temperatures.

• The period is 24 hours and it represents the time between consecutive high temperatures.