
四道题,拜托拜托 10
2个回答
展开全部
(1)2^x-1>=0
2^x>=1
x>=0
(2)1/3-3^x>=0
3^x=<1/3
x=<-1
(1)(2/3)^(3×2/3)=4/9
(2)(0.1)^(4×(-3/4)
=(0.1)^(-3)=1000
2^x>=1
x>=0
(2)1/3-3^x>=0
3^x=<1/3
x=<-1
(1)(2/3)^(3×2/3)=4/9
(2)(0.1)^(4×(-3/4)
=(0.1)^(-3)=1000
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询