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SAT官方每日一题 2017年6月6日.

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SAT试题类型 Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. If the function f is dined by function f of x= (2 times x) + 3, and if function f of a = 11, what is the value of a? (A) 4 (B) 7 (C) 11 (D) 17 (E) 25 答案:A 解析: Explanation If the function f is dined by function f of x= (2 times x) + 3, and function f of a = 11, then function f of a = (2 times a) + 3 = 11. Therore, a = (11 minus 3) over 2 = 4.

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