GRE考试

FunctionsThesequestionswilltestyourknowl

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【分析解答题】

Functions
These questions will test your knowledge of operations involving functions.
Answer the following questions.
For the function f(x)=x2+x, what is the value of f(-5)
网考网解析:
试题答案: 答案解析:To solve, substitute -5 for x in the function: f(-5)=(-5) 2 +(-5) f(-5)=25-5 f(-5)=20 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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