三个数0.76,60.7,log0.76的大小关系为( ) A.0.76<log0.76<60.7 B.0.76<60.7<log0.76 C.log0.76<60.7<0.76 D.log0.76<0.76<60.7
问题描述:
三个数0.76,60.7,log0.76的大小关系为( )
A. 0.76<log0.76<60.7
B. 0.76<60.7<log0.76
C. log0.76<60.7<0.76
D. log0.76<0.76<60.7
答
由对数函数y=log0.7x的图象和性质
可知:log0.76<0
由指数函数y=0.7x,y=6x的图象和性质
可知0.76<1,60.7>1
∴log0.76<0.76<60.7
故选D