1.Afunctionhasexactly3zeros;th-查字典问答网
分类选择

来自贾晓霞的问题

  1.Afunctionhasexactly3zeros;theyare-1,0,and2.Thefunctionpassesthroughthepoint(1,6).Sketchthefunction,findtheequationforfunction.2.Findtheasymptotesofthefollowingfunctions.ifitdoesnothaveaparticulartypeofasymptotes(

  1.Afunctionhasexactly3zeros;theyare-1,0,and2.Thefunctionpassesthroughthepoint(1,6).Sketchthefunction,findtheequationforfunction.

  2.Findtheasymptotesofthefollowingfunctions.ifitdoesnothaveaparticulartypeofasymptotes(verticle,horizontal,oroblique)thenbrieflysaywhyitdoesnot.describetheendofbehaviourofeachfunction.findtheintercept.drawthegraph.remebertoplotadecentnumberofpointsoneithersideofanyinterceptssoyourcurveslookreasonable.drawandlabeltheasymptotes

  a)q(x)=5x-1/x^2-2x-3

  b)s(x)=3x-2/x-1

  第二题看不懂的话把第一题解了就好啦,如果能解第二题更好!

1回答
2020-04-26 22:01
我要回答
请先登录
刘树德

  1)f(x)=a(x+1)x(x-2)将(1,6)带入,得a=-3f(x)=-3x(x+1)(x-2)图没法传,知道x正无穷时是负的,就出来了第二问再说2)分母为0时的x值肯定是渐近线,趋向无穷第一个的x=-1和x=3第二个的x=0还有x趋向无穷时,分母为0,此时...

2020-04-26 22:02:16

最新问答

推荐文章

猜你喜欢

附近的人在看

推荐阅读

拓展阅读

  • 大家都在看
  • 小编推荐
  • 猜你喜欢
  •