gaokao 2004 Q15

gaokao · China · shanghai-science Function Transformations

15. If the graph of function $y = f ( x )$ can be obtained by rotating the graph of function $y = \lg ( x + 1 )$ counterclockwise by $\frac { \pi } { 2 }$ around the origin O, then $f ( x ) =$
A. $10 ^ { - x } - 1$.
B. $10 ^ { x } - 1$.
C. $1 - 10 ^ { - x }$.
D. $1 - 10 ^ { x }$.

15. If the graph of function $y = f ( x )$ can be obtained by rotating the graph of function $y = \lg ( x + 1 )$ counterclockwise by $\frac { \pi } { 2 }$ around the origin O, then $f ( x ) =$

A. $10 ^ { - x } - 1$.\\
B. $10 ^ { x } - 1$.\\
C. $1 - 10 ^ { - x }$.\\
D. $1 - 10 ^ { x }$.

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22