题目内容双击单词支持查询和收藏哦~
收藏
纠错
In the xy-plane, triangular region R is bounded by the lines x = 0, y = 0, and 4x + 3y = 60. Which of the following points lie inside region R ?
Indicate all such points
-
A.(2, 18)
-
B.(5, 12)
-
C.(10, 7)
-
D.(12, 3)
-
E.(15, 2)
B,D显示答案