Question

Questions, are all in picture, please solve

Answer 1

The function represents a cosine graph with axis at y = - 1, period of 6, and amplitude of 2.5.

How to analyze sinusoidal functions

In this question we have a sinusoidal function, of which we are supposed to find the following variables based on given picture:

1. Equation of the axis - Horizontal that represents the mean of the bounds of the function.
2. Period - Horizontal distance needed between two maxima or two minima.
3. Amplitude - Mean of the difference of the bounds of the function.
4. Type of sinusoidal function - The function represents either a sine or a cosine if and only if trigonometric function is continuous and bounded between - 1 and 1.

Then, we have the following results:

1. Equation of the axis: y = - 1
2. Period: 6
3. Amplitude: 2.5
4. The graph may be represented by a cosine with no angular phase and a sine with angular phase, based on the following trigonometric expression:
   
   cos θ = sin (θ + π/2)

To learn more on sinusoidal functions: brainly.com/question/12060967

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