Question

what is the minimum of the sinusoidal function?
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Explanation:

Step1: Analyze the sinusoidal graph

The minimum value of a sinusoidal function is the lowest point on its graph. From the given graph, we can observe the vertical position of the troughs (minimum points).

Step2: Identify the minimum y - value

Looking at the graph, the lowest point (minimum) of the sinusoidal function has a y - value of -4.

Answer:

-4