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(-2,0)
B:(-1,3)
C:(0,-1)
D:(1,2)
选项: A:
y=x
B:y=|x|
C:y=x+1
D:y=2x
y=x
B:y=|x|
C:y=x+1
D:y=2x
y=x
B:y=2x
C:y=x+1
D:y=-x
77.下列函数在(-∞,0)上为减函数的是( )
选项: A:y=x
B:y=2x
C:y=x+1
D:y=-x
y=x
B:y=|x|
C:y=x+1
D:y=2x
y=x
B:y=2x
C:y=x+1
D:y=-x
y=1/x
B:y=|x|
C:y=-|x|
D:y=-x+1
-2,-1]
B:-1,0]
C:0,1]
D:1,2]
-2x+3
B:y=4x+3
C:y=-7x+1
D:y=-2x
y=-2x+3
B:y=4x+3
C:y=-7x+1
D:y=-2x
y=-x
B:y=-2x+1
C:y=-x2
D:y=x
y=x-1
B:y=x2
C:y=sinx
D:y=3 -x方
3
B:2
C:ㄧ1
D:ㄧ2
y=-x1/3
B:y=x4
C:y=x1/2
D:y=x-2
y=x
B:y=x2
C:y=x3
D:y=2x
}
public void printThat(int x,int y){
this.x = x;
this.y = y;
System.out.println("x:" + this.x + " y:" + this.y);
}
}
What is the result?
结果如何?
选项: A:x: 1 y: 2 x:3 y: 4
B:x: 0 y: 0 x: 3 y: 4
C:x: 1 y: 2 x: 0 y: 0
D:x: 0 y: 0 x: 0 y: 0
">17.public class Access {private int x = 0;
private int y = 0;
public static void main(String] args) {
Access accApp = new Access();
accApp.printThis(1,2);
accApp.printThat(3,4);
}
public void printThis(int x,int y){
x = x;
y = y;
System.out.println("x:" + this.x + " y:" + this.y);
}
public void printThat(int x,int y){
this.x = x;
this.y = y;
System.out.println("x:" + this.x + " y:" + this.y);
}
}
What is the result?
结果如何?
选项: A:x: 1 y: 2 x:3 y: 4
B:x: 0 y: 0 x: 3 y: 4
C:x: 1 y: 2 x: 0 y: 0
D:x: 0 y: 0 x: 0 y: 0
y=x
B:y=2x
C:y=x3
D:y=2x