Answer:
[tex]y = \cos(x) + 3[/tex]
Step-by-step explanation:
This is an even trigonometric function.
It is a cosine function that has been translated up 3 units.
The amplitude of this function is 1.
The period is 2π
The cosine function that has all these properties has equation,
[tex]y = \cos(x) + 3[/tex]
