Using translation concepts, the equation for the graph is given as follows:
b. [tex]y = \cos{\left(x + \frac{\pi}{2}\right)} + 1[/tex].
What is a translation?
A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.
In this problem, we have a cosine function(zero at pi/2, this is zero at the origin), shifted pi/2 units to the right and 1 unit up(as the standard amplitude is between -1 and 1, here is between 0 and 2).
Hence the rule is given by:
b. [tex]y = \cos{\left(x + \frac{\pi}{2}\right)} + 1[/tex].
More can be learned about translation concepts at https://brainly.com/question/4521517
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