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题目来源：
OG详解-OG10 数学1 Q6
正确答案：77
题目详解
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The correct answer is 77. It’s given that the function f is defined by f(x) = x2 +x+71. Substituting 2 for x in function f yields f(2) = (2)2 +2+71, which is equivalent to f(2) = 4+2+71, or f(2) = 77. Therefore, the value of (2) is 77.
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