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SAT I 一日一问:2014年7月31日

2014-07-31 09:30
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The correct answer is A

Explanation

If the function f is defined 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. Therefore, a = (11 minus 3) over 2 = 4.

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