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The functions $$f$$ and $$g$$ are defined for all numbers x by $$f(x)=x^{2}$$ and $$g(x)=bx+1$$, where b is a constant and $$0 < b < 2$$. Which of the following could be the graph of $$y=f(x)+g(x)$$ in the xy-plane?
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A.
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B.
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C.
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D.
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E.
D显示答案
· 相关考点
3.7.7 抛物线的解析方程
3.7.7 抛物线的解析方程
以上解析由 考满分老师提供。
