函数y=x2-x+1在区间（-2,2）内满足（）．a.先单调下降再单调上升b.单调下降c.先单调上升再单调下降d.单调上升 - 查题网

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国家开放大学 / 高等数学基础

函数y=x2-x+1在区间（-2,2）内满足（）．

a.
先单调下降再单调上升

b.
单调下降

c.
先单调上升再单调下降

d.
单调上升

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高等数学基础

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