手动普拉多作业

求最大值最小值:y=3cos3x y=-4sin(2x-π/4) y=5sin(3x+π/5) y=-3cos(2x-π/6) 1.已知3+1/2(6X-5/138)=5 求代数式1/4（6X-5/138） 2.已知X=-2是方程|k-1|=-6的解 求k的值 速度!10分钟已知X=-2是方程2X-|K-1|=-6的解 K=？ 1．“Well done!”the teacher patted the shoulder of the student,with a smile on his face.A．satisfied B．being satisfied C．having satisfied D．satisfying2.The manager recommended he _________ a plane in order to get there in time for the meet 已知方程1/2[x-1/2(kx-1)]=2/3(x-k)解为x=12,求代数式k的平方+2k+1的值.快速给推荐答案 英语翻译In each country,I have more often than not and without having requested one.求解more than 在这里是什么特殊意思? 英语翻译1\Electronic cigarettes and the packages they come in can also be reused ,which means that a lot of money can be sowed.2\Happiness is not something you postpone for the future.3\Here's the unvarnished truth. 当x= 时 代数式2x-3/5的值为0 y=3x+1/x+2 求值域最好用去分母的办法 求y=(x方-3x+4)/x的值域 y=-x^2+3x-4的值域写过程 英语翻译The Mid-Autumn Festival falls on the 15th of the eighth month of our Chinese lunar calendar.As one of the traditional Chinese festivals,it has been enjoying great popularity in our country.Usually,no matter how far away or how busy we are 求值域 1,y=(x+2)/(x*x+3x+6) 2,y=3x/(x*x+4) y=(x+2)/(x^2+3x+6)的值域是?急用,谢谢! y=【2(x-1)】/(x²-3x+6) 的值域! 代数式x+3/5的值是否能同时大于代数式2X+3和1—X的值?说明理由? 求y=(3x+2)/(x-2) (1 (1)求y=3x+1/x-2值域(2)求y=3-x/2x-1值域 y=(x^2-3x+2)/(x^2+x+1)的值域 如果二分之一＜x小于1,试判断代数式（2x－1） （x－1）的符号,并说明理由 求值域y=(3x+2)÷(1-x)的值域 y=x^2-3x+4的值域 用区间如何表示? cad里的不规则面积如何计算 若代数式四分之一+2x的值不大于8-二分之x的值,求x的取值范围. x取哪些非正整数时,代数式2分之(1-5x)的值不小于代数式【3分之（3-2x）】+4的值 若代数式1/4+2x的值不大于代数式8-x/2的值,则x的正整数解是? 用3,3,7,7这四个数字进行加减乘除的计算,怎样计算这四个数字会得出24四个数字可以换位置（尽量写多点情况） 把－1,2,2,－3四个数用加减乘除的方法得24 3x+7=2(x+6) （6x+7）^2(3x+4)(x+1)=6高次方程.求详解以及检验后的最终答案! 出加减乘除共五十道,分数和整数的, 当x取哪些正整数时,代数式3-3/2x的值不小于5/8-4x-3/6的值 满足代数式2x+5不小於代数式4x-1的x取正整数有什麽?