题目

I understand ________to go to the meeting.A. who              B. when         C. your not wanting       D. not your wanting 答案:C如图,直线OC、BC的函数关系式分别是y1=x和y2=﹣2x+6,动点P沿路线0→C→B运动.(1)求点C的坐标,并回答当x取何值时y1>y2? (2)求△COB的面积.(3)当△POB的面积是△COB的面积的一半时,求出这时点P的坐标.
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