SAT数学考前模拟练习题及答案5
导读：距离5月份的SAT考试只剩下几天的时间了，相信考生们一定在紧张的复习备考当中。为了让大家复习的更有效率，小编给大家整理了一些适合考前做的数学模拟题，希望能帮助到大家，也祝大家考试顺利！
>>SAT数学模拟题：SAT数学考前模拟练习题及答案5
Each year from 2007 to 2015, a group of people were selected at random and surveyed about their use of online radio. The survey asked respondents whether or not they listened to online radio in the last month. The scatter plot shown gives the results of the survey, where P represents the percent of respondents who reported listening to online radio and t represents years since 2007. Which of the following equations best models the relationship between t and P?
A.P=0.23t+18
B.P=t+20
C.P=2.3t+20
D.P=4.3t+18
答案：D
解析：
Choice D is correct.
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