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y3<y2<y1 y2<y3<y1 y1<y2<y3 y1<y3<y2
(-2,y1), (2,y2), (3,y3)都在反比例函数y=-的图象上, 则下列结论中正确的是 A.y1< y2< y3B.y3 < y2< y1C.y1< y3 < y2 y2 < y3 < y1
y3<y2<y1 y1<y2<y3 y2<y1<y3 y2<y3<y1
y1>y2>0 y1<y2<0 y1>0>y2 y1<0<y2
(-2,y1), (2,y2), (3,y3)都在反比例函数y=-的图象上, 则下列结论中正确的是 A.y1< y2< y3B.y3 < y2< y1C.y1< y3 < y2 y2 < y3 < y1
(-3,y1), (-2,y2), (-1,y3)三点都在函数y=-的图象上,则y1、y2、y3的大小关系是( ). A.y1>y2>y3 B.y1<y2<y3 C.y1=y2=y3 y1<y3<y2
x1=2 y1=2
x2=2 y2=1 x1=2 y1=2
x2=2 y2=2 x1=2 y1=1
x2=2 y2=2 x1=2 y1=1
x2=2 y2=1
(-5,y1), (3,y2)均在抛物线y=ax2+bx+c(a≠0)上,点 (x0,y0)是抛物线的顶点,若y1>y2>y0,则x0的取值范围是( ) A.x0>-5 B.x0>-1 C.-5-2
(,y1)、 (,y2)、 (,y3)是该二次函数图象上的三点,则y1、 y2、 y3的大小关系是-----------------------------------------------( ) A.y2< y1< y3 B. y1< y2< y3 C. y3< y2< y1 y2< y3< y1
(﹣2,y1), (3,y2)是反比例函数y=(k<0)图象上的两点,则有( ) A. y1<0<y2B. y2<0<y1 y1<y2<0 y2<y1<0
y2<y1<0 y1<y2<0 y2>y1>0 y1>y2>0
x1=2 y1=2 x2=2 y2=1 x1=2 y1=2 x2=2 y2=2 x1=2 y1=1 x2=2 y2=2 x1=2 y1=1 x2=2 y2=1
MC(Y1+Y2)=MR1(Y1)=MR2(Y2 MR2(Y2)>MC(Y1+Y2)=MR1(Y1) MR1(Y1)>MC(Y1+Y2)=MR2(Y2) MR1(Y1)=MR2(Y2)=MC(Y1+Y2)
)y1 >y2 ( )y1 =y2 ( )y1 )不能比较