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SAT官方每日一题附答案和解析[数学](2020年5月6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.

Tonya hits a golf ball from an initial height of 10 feet. The height of the golf ball, h, in feet above sea level, t seconds after the ball was hit, can be modeled by a quadratic equation. If the golf ball reaches its maximum height of 74 feet exactly 2 seconds after it has been hit, which of the following equations represents this relationship?

A.h=10(t-2)^2+74
B.h=-10(t+2)^2+74
C.h=-16(t-2)^2+74
D.h=16(t+2)^2+74

重点单词   查看全部解释    
multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

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equation [i'kweiʃən]

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n. 相等,方程(式), 等式,均衡

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initial [i'niʃəl]

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n. (词)首字母
adj. 开始的,最初的,

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