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SAT官方每日一题附答案和解析[数学](2020年4月20日)

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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

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

The function F(t) right parenthesis 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    
parenthesis [pə'renθisis]

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n. 圆括号,插入语,插曲,间歇,停歇

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option ['ɔpʃən]

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n. 选择权,可选物,优先购买权
v. 给予选

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context ['kɔntekst]

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n. 上下文,环境,背景

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multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

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function ['fʌŋkʃən]

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n. 功能,函数,职务,重大聚会
vi. 运行

 
interpretation [in.tə:pri'teiʃən]

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n. 解释,阐释,翻译,(艺术的)演绎

 

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