兔子和鸡的数学题

若函数f(x)的定义域是[a,b],值域为[ka,kb],则称函数f(x)叫做[a,b]上的“K级矩形”函数1,设f(x)=x^3,是[0,b]上的“一级矩形”函数,求常数B的值域2,设函数g(x)=c(0.5)^x+d (c不等于0)是[-1,1]上的2级矩形,求常 已知这个图,∠A=60度,∠B=30度,∠C=20度,求∠BOC 已知角a o b等于30度角boc等于45度则角a o c 等于 吃苹果到底削不削皮?如果是宝宝呢?快三岁了,给她吃苹果削皮吗?以前是削的,现在大了,不知道皮是不是可以不削了. 新华造纸厂去年造纸4.8万吨,今年提前8个月的产量就等于去年全年的产量,照这样计算,今年的产量比去年增产多少万吨? 某造纸厂今年排放污水2.4万吨,比去年降低了20%,去年排放污水多少万吨? 微积分问题.求过程.感谢! 微积分题,y”=4cos2x的通解是? 褒义词是什么意思 高三英语单选题1 Barack Obama’s victory is a historic victory and ______ that promised change and overcame centuries of prejudice.A.one B.it C.the one D.that选A 为什么 请翻译一下这句话2 ______ sculpture is to a block of marbles,ed 1.Three years later,the company suffered the worst loss,____16 percent of its workfforce.A.laid off B.laying off (A与B的区别?)2.What do you think of the people dressed in white?______.A.fascinating B.fanscinated3.It is not_____the group birds lea 高三英语单选题1（ ）is believed that China will be an ( ) and powerful country in 100 years.A.It;advanced B.It;advancing为什么选A不选B呢 一道高三英语单选题Never believe anything __________ any other person has believed it .Use your own head .A.that B.wher C.because D.once 1.— Have you finished the book?— No,I’ve read up to ______ the children discover the secret cave.A.which B.what C.that D.how E.where请问有哪些选项能够选?为什么不能选C?that不是可以引导后面的整个句子,表示读到这 ________ they have lunch at school. A.In weekdays B On weekends ()?-Yes,there is.A.Is this a pet shop B.Is there a pet shop C.Is Grandpa in the bookshop根据情景选择最佳答案. There,up on the tree,i_______ Candy,her pet parrot.现在就要 There is a pet shop on the (three) floor linda-a- chooses-parrot-pet-the-at-shop排列顺序 设定义在R上的奇函数f(x)=x|x|,则f(x) A.既是奇函数,又是增函数 B.既是偶函数,又是增函数 C.既是奇函数,又是减函数 D.既是偶函数,又是减函数 They eat lunch at school on weekends._划线部分：They eat lunch at school on weekends._划线部分：at school,划线部分提问 求与趋之若鹜相近义的词语 但是是褒义词 “趋之若鹜”是褒义词还是贬义词? 趋之若鹜什么意思,快啊 已知实数a满足：|2004-a|+ ＝a,那么a-2004^2＝如题`` 趋之若鹜的意思和出处? 趋之若鹜的意思 化学反应平衡时升高温度时反应物浓度如何变化 求购新概念英语3教辅求购：新概念英语经典课堂3 人民大学出版社,高宏存,李俊彦主编.二手也可以. My uncle works for a soaaer club改为一般疑问句 缺乏的近义词是什么, 缺时的近义词是什么