Answer:
A, E, F
Explanation:
You want to identify the graphs of functions that are not periodic.
Periodic function
A periodic function is a repetition of itself when translated horizontally by some multiple of the period.
A function that cannot be overlaid by a horizontally translated portion of itself is not periodic. The non-periodic functions shown are ...
A – exponentially decreasing sine function
E – sine function with increasing centerline
F – cosine function with increasing amplitude
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