Unit 6 Retest

Front

What is the domain of the function y=cos x?

Back

D: (-∞, ∞)

Front

What is the range of the function y=cos x?

Back

R: [-1, 1]

Front

What is the amplitude of a function?

Back

The amplitude is the maximum distance from the midline to the peak of the graph.

Front

What is the amplitude for the function graphed?

Back

5

Front

What is the midline of a trigonometric graph?

Back

The midline is the horizontal line that runs through the middle of the graph, representing the average value of the function.

Front

What is the midline for the given graph?

Back

y = -2

Front

Which function would you use to solve for x in a cosine equation?

Back

Cosine function.

Front

What is the period of the functions y=sin x and y=cos x?

Back

360° or 2π

Front

Define the term 'period' in trigonometric functions.

Back

The period is the distance along the x-axis over which the function completes one full cycle.

Front

What is the formula for the period of a sine or cosine function?

Back