【原】7月6日-SAT每日一題合集

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

3,6,11,18

The first four terms of a sequence are shown above. Which of the following could be the formula that gives the n th term of this sequence for all positive integers n ?

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If a formula gives the nth term of the sequence for all positive integers n, it must give the nth term of the sequence for n = 1 comma 2 comma 3 comma and 4.

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原題鏈接：

https://sat./practice/sat-question-of-the-day