Answers IC Pre-Cal - DeeringGeneral Form of Sine and Cosine

General Form of Sine and Cosine Answers

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Use the sliders to change the values of a, b, c, and d in the cosine function. Which equation has a maximum at (0, –1) and a minimum at ().

y = 2cos(3x) – 5

y = 2cos(3x) – 3

y = 2cos(3x) – 1

y = 2cos(3x)

Which statements accurately describe the scenario? Check all that apply.

The greatest number of daylight hours is 14.5 hours.

The amount of daylight fluctuates 4.75 hours between the least to greatest amounts.

The period of the function is six months.

The function decreases on the interval (0, 6).

This graph requires a 3-month horizontal shift compared to the parent function, y = sinx.

Which equation models the data in the table?

Option

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