2017年10月13日GRE数学机经

>>GRE考试机经：2017年10月13日GRE数学机经

>>GRE考试辅导：精品课程高端指导

1. Each week a salesperson receives a commission that is equal to 12 percent of the first 500ofsalesplus20percentofadditionalsales.Ifthesalespersonreceivedacommissionof

380 last week, what was the total amount of the sales that the salesperson made last week?

6. $1,600

7. $1,660

8. $1,860

9. $2,000

10. $2,100

2. x ≠ 0

Quantity A: x^2

Quantity B: x(x+5)

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.

答案：D

解析：如果x>0, 则B>A; 如果x<0, 则B

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