2.  >>  成人高等教育 / 高等数学1
 成人高等教育 / 高等数学1

若函数在某区间上单调增，则在区间内函数图形上切线的斜率为（）。
  • A、
    正
  • B、
    负
  • C、
    零
  • D、
    不确定
  积分
高等数学1
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  • 设矩阵，则当（ ）时，最小．0 1 2 -2经济数学基础12
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