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征文:热爱生命为主题的话怎么写 已知函数f(x)=2x^2-mx+6在区间[-2,正无穷大)上为增函数,则f（1）的取值范围是答案是f（1）>=16 won a silver medal 翻译 已知函数f(x)=cos^2x-2singxcosx-sin^x.(1)在给定的坐标系中,作出函数f(x)在区间[0,∏]上的图象已知函数f(x)=cos^2x-2singxcosx-sin^x.(1)在给定的坐标系中,作出函数f(x)在区间[0,∏]上的图象(2)求函数f(x)在区 Candy was a good runner.She won______medal.pat was a ___________________.She won____________.Alice___________.____________________ he won the silver medal though he had been in the first place for most the final round怎么翻译、、用英文 有难度啊.角α的顶点在原点,始边与x轴的正半轴重合,终边在函数y=2x（x≤0）的图像上.（1）求cosα和sin（π+α）的值.（2）能否求出角2kπ+α（k∈z）,-α,2π-α,π±α,π/2±α的sin值,cos值?若能,求出 求助：一中等难度的高一数学题已知函数f(x)=x(x+1)-1.若f(x)≥f(a)对一切x∈R恒成立,求a的值.（主要是要这题的详细过程） cpm意思,及其意义 定义在(-1,1)上的函数f(x)满足f(1/2)=1,且对x,y∈(-1,1)时,有f(x)-f(y)=f[(x-y)/(1-xy)](1)判断在(-1,1)上的奇偶性,并证明.(2)令x1=1/2,x(n+1)=2x/(1+xn2)求数列的通项公式(n+1为下标,xn2 2为平方 n为下标)(3)设Tn为数 分式的基本性质x^2-y^2/(x+y)^2=x-y/( ) 300 Yesterday morning I was walking in the street while I saw a car hit a little dog .The driver drove away,leaving a dog lying here.Because no one went to help him,Iran to him ,pick him up and was ready to taking him to the hospital.But a young man who cpm是什么意思? 一英语改错~救命的One day I was walking along a street while a stranger ____ stopped in the front of me and asked me the way to a new ____ restaurant.I had told him the route and direction patiently.___ As soon as I finished,the stranger thank 百度广告150元/CPM是什么意思 30元/cpm什么意思 the sun setting in ----west ,and I saw a bird flying ------ south用the 和 /填空 设a＞1,b＞1,且ab-(a+b)=1,那么 a+b的最值,ab的最值 设a＞1,b＞1且ab-(a+b)=1,那么ab的最值是什么? 求英语全文改错,高手们救命啊You can find all kinds information in just a few minu te on the Internet.It's like going to …余下的就不打了,时间原因,求高手们把全文的正确答案给我做一下啊,一共有十个改错 markers的中文意思到第是什么? come是什么意思 c-suite什么意思我等待回复! pc Creative Suite 人生 睿智 果敢 淡泊 either…or…和neither…nor…的区别? 在7月1日人们开展什么活动来庆祝这个节日? 你们能帮我写一份运动会的简报吗就是我们班女生赢得了足球比赛的第一名,相当于喜讯,简讯那样的.字数符合初二的标准,急求,帮帮忙啦 a,b,c取什么值时,x的3次方-ax的2次方+bx+c与(x-1)(x-2)(x-3)恒等? a,b,c取什么数值时,x的平方-ax的平方+bx+c程（x-1）（x-2）（x-3）恒等x的立方