From the given options, we can say that the only one that represents a function is; Situation B
From the given options, we can say that the only one that represents a function is Option B
The reason why Option B is the correct option is due to the fact that from the rule of functions, it states that for every input, there is exactly one output. Now, Situation B is talking about only ONE favorite math teacher.
Thus, we can conclude that situation B is the right answer.
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