A:常数m<1
B:y随x的增大而增大
C:若A(﹣1,h),B(2,k)在图象上,则h<k
D:若P(﹣x,y)在图象上,则P′(x,﹣y)也在图象上
— The computer is working all the time.
— Sorry. I have forgotten ______.
平面上有三点,经过每两点作一条直线,则能作出的直线的条数是( )