若3≤x≤4,则|x-4|-√(x-3)的平方=
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 12:00:09
x){ѽQ
6y1BפFQǬ{:*t|>ϦI*'M~
0ѭ
kQ~qAb1 wz
若3≤x≤4,则|x-4|-√(x-3)的平方=
若4x²-4x-3≤0,求√(4x²+4x+1)+√(4x²-12x+9)的值
*-----------------------------------------------*| 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 ||
(1),设g(x)=1+x,且当x≠0时,f(g(x))=(1-x)/x,求f(1/2)(2),f(x)=x/(1-x),求f(f(x)),f(f(f(x)))(3),设 f(x)={x^2 +2x 若 x≤0 {2 若 x>0 请注意这是一题分段函数 求f(x+1), f(x)+f(-x)(4)g(x+1)={x^2 若0≤
4道不等式.快.1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-42.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)3.(x-6)(x-9)-(x-7)(x+1)≤7(2x-5)4.x(x-3)
若函数2f(x)+x^2f(1/x)=(3x^3-x^2+4x+3)/(x+1),则f(x)=
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
解不等式(x^2+x+1)(x+3)^2(1-x)x(x+4)(x-4)^3≤0
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
若x(3x-4)+2x(x+7)=5x(x-7)+90,则x=
(1) √3_____{x|x≤2},(1,2)____{(x,y)|(1) √3_____{x|x≤2},(1,2)____{(x,y)|y=x+1}(2) √2+√5_____{x|x≤2+√3}(3) {x|x/1=x,x∈R}______{x|x的立方-x=0}(4)设U=R,A={x|a≤x≤b}
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
f(x)=b√(x+4) x>0;f(x)=3+cosx x≤0 在x=0点连续,则b=?
证明√(x^2+2x+4)-√(x^2-x+1)≤√3
1-x/5≤x/15 3x-x+2/4>2x-5/6
解不等式组{5x+10>2x+4 {2(x-3)+x≤3
已知3(1-X)≤-4X,化简|x+3|-|1-2x|
4x+6>1-x 3(x-1)≤x+5