| 2-x|≥3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/15 19:29:36
|2-x|≥3|2-x|≥3|2-x|≥3|2-x|≥32-x≥3或2-x≤-3解得:x≤-1或x≥5|2-x|≥3,得2-x≥3或者2-x解得x=5.2-X≥3或-(2-X)≥3解得X

| 2-x|≥3
| 2-x|≥3

| 2-x|≥3
| 2-x|≥3
2-x≥3 或2-x≤ -3
解得:x≤-1或x≥5

| 2-x|≥3,
得2-x≥3或者2-x<=-3
解得x<=-1或者x>=5.

2-X≥3或-(2-X)≥3
解得X<=-1或X≥5

解分式不等式(x+2)/(x+1)+(x+3)/(x+2)≥(x+1)/x+(x+4)/(x+3) 已知f(x){x/2,x≥0;-x²+3x,x 1.2x^2+x >02.x^2-3x-18≤03.-x^2+x≥3x+14.x(x+9)>3(x-3) *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) x(x^+1)≥(x+1) (x^-x+1)1-2x>3(x-9) 这2个是个不等式组 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X. 用MATLAB求解以下优化问题设计变量:X = {x1,x2 ,x3 ,x4}T约束条件:g1( X )=-x(1)* x(1)-x(2)* x(2)- x(3)* x(3)- x(4)* x(4)- x(1)+ x(2)- x(3)+x(4)+9≥0g2( X )=-x(1)*x(1)-2*x(2)*x(2)-x(3)*x(3)-2*x(4)*x(4)+x(1)+x(4)+8≥0g3( X )= -2*x(1) 解不等式:(2x-3)(x-4)-(x+2)(x-3)≥x^2-8 设函数f(x)={2x-3,x≥3,x2-2x-2,x (3x^2-x-4)/(2+x-x^2)≥x-2 3≤|8-x| |x+1|>2-x |x+3|7|x+1| x^2-6|x|+9>0 |x-1|+|x+2|≥5 (1)方法 |x²-3x-4|>x+1;以及|x-3|+|x-5|≥2 已知函数f(x)=2/x,x≥2和(x-1)^3,x 解不等式:x(x-3)≥2x^2-(x+4)(x-5) 已知函数f(x)={2x,x≥2(x-1)^3,x 设f(x)=x㏑(1+x^2),x≥0.(x^2+2x-3)e^(-x),x<0,求∫f(x)dx