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SAT官方每日一题附答案和解析[数学](2019年7月16日)

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Mathematics

F(t)=(0.95)^t/2

The function F(t) gives the percentage, as a decimal, of information Dianna remembered t days after memorizing lines for a play. Assuming she did not work on her lines again, what is the best interpretation of the meaning of the function F in this context?

A.On any given day, Dianna will forget 95% of the lines 1 day after she memorizes them.
B.On any given day, Dianna will forget 95% of the lines 2 days after she memorizes them.
C.On any given day, Dianna will remember 95% of the lines 1 day after she memorizes them.
D.On any given day, Dianna will remember 95% of the lines 2 days after she memorizes them.

重点单词   查看全部解释    
function ['fʌŋkʃən]

想一想再看

n. 功能,函数,职务,重大聚会
vi. 运行

 
context ['kɔntekst]

想一想再看

n. 上下文,环境,背景

联想记忆
X
单词context 联想记忆:
con共同,text编织-共同编织上下文
 
interpretation [in.tə:pri'teiʃən]

想一想再看

n. 解释,阐释,翻译,(艺术的)演绎

 
option ['ɔpʃən]

想一想再看

n. 选择权,可选物,优先购买权
v. 给予选

联想记忆
X
单词option 联想记忆:
opt=choose选择+ion→选择
 


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