By using minima and maxima approach, we'll get minimum and maximum values of the two Quantities as below:

Quantity A: (Min = -3) and (Max = 3)

Quantity B: (Min = -3) and (Max = 3)

Here, it doesn't mean the two quantities are equal, rather it means If Quantity A is -3, then Quantity B is 3 and vice versa.

Thus,

Choice D is correct.

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