gaokao 2015 Q8

gaokao · China · hunan-arts Function Transformations

8. Let the function $f ( x ) = \ln ( 1 + x ) - \ln ( 1 - x )$. Then $f ( x )$ is
A. an odd function and increasing on $( 0,1 )$
B. an odd function and decreasing on $( 0,1 )$
C. an even function and increasing on $( 0,1 )$
D. an even function and decreasing on $( 0,1 )$

8. Let the function $f ( x ) = \ln ( 1 + x ) - \ln ( 1 - x )$. Then $f ( x )$ is\\
A. an odd function and increasing on $( 0,1 )$\\
B. an odd function and decreasing on $( 0,1 )$\\
C. an even function and increasing on $( 0,1 )$\\
D. an even function and decreasing on $( 0,1 )$

Paper Questions

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