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A) Quantity A is greater. B) Quantity B is greater. C) The two quantities are equal. D) The relationship cannot be determined from the information given.

A) Quantity A is greater. B) Quantity B is greater. C) The two quantities are equal. D) The relationship cannot be determined from the information given.

SInce no information is given for a and b, we cannot determine which QTY is greater or less.

Therefore option D
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ab + a + b + 1 ? ab + 1 a + b ? 0 if a and b are negative or totally when a+b <0 A is less. if a = -b, A and B are equal. if a+b > 0, B is less. So we can't recognize which one is less or more and D is correct.