Using sinusoidal function concepts, it is found that the values are A = 2 and D = 2.
What is a sinusoidal function?
The cosine function, with standard period, is represented by:
[tex]y = A\cos{x} + D[/tex]
In which:
- [tex]2A[/tex] is the amplitude, which is the difference between the largest and smallest value.
- D is the vertical shift, considering that the standard cosine function has range between -A and A.
In this problem, the amplitude is of 4 - 0 = 4, hence:
[tex]2A = 4[/tex]
[tex]A = \frac{4}{2}[/tex]
[tex]A = 2[/tex]
The standard function has range between -2 and 2, in this problem it is between 0 and 4, hence the vertical shift up is of 2 units, that is, D = 2.
You can learn more about sinusoidal function concepts at https://brainly.com/question/26131720
