2020 National Question 8 Single-choice Differentiating 2020_新课标III Paper 8.点(0,﹣1)到直线 $y = k \big ( x + 1 \big )$ 距离的最大值为( ) A. 1B. $\sqrt { 2 }$C. $\sqrt { 3 }$D. 2 Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →