SAT考试9月每日精选题13

>>SAT考试练习：SAT考试9月每日精选题13

>>SAT考试精品高端课程辅导

Mathematics>Standard Multiple Choice

Read the following sat test question and thenclick on a button to select your answer.

The government of a particular country is planningto subsidize electric vehicles by lowering their pricesin order to encourage consumers to purchase them. Electric vehicles are currently beingpurchased steadily at a rate of about 287 per month, with an average purchase price of $24627. For each drop of $1000 in the average electric vehicle's purchase price, it is expectedthat the monthly purchase rate will increase by 48. Which of the following best models themonthly electric vehicle revenue, R(p), in this country as a function of p price reductions of $1000 each?

(revenue=price of product*number of product)

A.R(p)=24627(287-952p)

B.R(p)=1000(24627-p)(287+48p)

C.R(p)=(24627-p)(287+p)

D.R(p)=(24627-1000p)(287+48p)

温馨提示：各sat数学考生在看过上述sat考试题目之后，自己分析解答，再看相应的sat考试答案及解析，会更有效哦!

答案：D

解析：

Choice D is correct.

今天的SAT学习就到这里了，如需了解更多请继续关注坦途网SAT考试频道，你想要的内容都在这里。