函数f(x)=ㄏ3x的定义域是( )
选项:
A:
{ x | x≤0 }
B:
{ x | х≥3 }
C:
{ x | x≥0 }
D:
{ x | x≠0 }
{ x | x≤0 }
{ x | х≥3 }
{ x | x≥0 }
{ x | x≠0 }
以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
{ x | x≤0 }
B:{ x | х≥3 }
C:{ x | x≥0 }
D:{ x | x≠0 }
{ x |x<1 }
B:{ x |x>-1 }
C:{ x | x≥1 }
D:{ x | x≤1 }
{x|x《0}
B:{x|x》3}
C:{x|x》0}
D:{x|x 0}
y=-3x
B:y=1
x C:y=x2+1
D:y=3x
{x|x<1/2}
B:{x|x≥-1/2}
C:{x|x≠1/2}
D:∅
x=*pa;
B:x=*(a+1);
C:x=*(pa+1);
D:x=a1];
自变量
B:
函数值
定义域
值域
void f(int x);和void f(double x);
B:void f(int x);和void f(int x,char *s=”example”);
C:void f(int x);和void f(int x,int y);
D:void f(int x);和void f(int x,double y);
-tanx
B:e ˣ-1
C:sin 1/x
D:ln(1-x)
2x+y, 2y+x
B、2, 2y
C、2x, 2
D、2x, 2y
">10.2x+y, 2y+x
B、2, 2y
C、2x, 2
D、2x, 2y
{x|x<1}
B:{x|x-1}
C:{x|x≠1}
D:Ø
10110B
B:0386
C:0Xffa
D:x2a2
0≤F(x)≤1
B:0≤ f(x)≤1
C:P{X=x}=F(x)
D:P{X=x}=f (x)
6X6 12X12
B:8X8 12X12
C:7X7 12X12
D:4X4 12X12
A, while 1X=1Y domestically in nation B:
选项: A:there will be no trade between the two nations
B:the relative price of X is the same in both nations
C:the relative price of Y is the same in both nations
D:all of the above
-2,-1]
B:-1,0]
C:0,1]
D:1,2]
.E(X)≥0
B:E(X)]2≥E(X2)
C:D(X)≥0
D:E(X2)≥E(X)
xy/0.5/z
B:x * y / 0.5 z
C:x * y/ 0.5 *z
D:x * y / (0.5*z)
}
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
">19.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
(-1,0)或(3,0)
B:(-1,0)或(-3,0)
C:-1或3
D:1或3