For the function f(x)=x2+x, what is the value of f(-5)?

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问题 For the function f(x)=x²+x, what is the value of f(-5)?

选项

答案 To solve, substitute -5 for x in the function: f(-5)=(-5) ²+(-5) f(-5)=25-5 f(-5)=20

解析

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For the function f(x)=x2+x, what is the value of f(-5)?

GRE QUANTITATIVE

GRE

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MorethanonemillionyoungpeopleinBritainareunemployed,thehighestnumbersincethemid-1980s.

Iamafraidthathisphonenumberhasslippedmy______forthemoment.

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