Which of the following represents the result of increasing the quantity x by 9%, where ?

Question

Accepted Answer

Choice A is correct. Increasing the positive quantity x by 9% is the result of adding 9% of x to x . 9% of x can be represented algebraically as , or . Adding this expression to x yields , or . Choice B is incorrect. This represents 9% of x . Choice C is incorrect. This represents increasing x by 9, not by 9%. Choice D is incorrect. This represents increasing x by 0.09, not by 9%.

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