2. 外语
  3. For the function f(x)=x2-4x+8, what is the value of f(6)?

For the function f(x)=x2-4x+8, what is the value of f(6)?

admin2011-03-08  19
问题 For the function f(x)=x2-4x+8, what is the value of f(6)?
选项
答案 To solve, substitute 6 for x in the function: f(6)=62-4(6)+8 f(6)=36-24+8 f(6)=20
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