CAPE Pure Mathematics Unit 1 · May/June 2009 · Paper 1 · Question Q4
The tables below show the values of the functions f and g.
\begin{tabular}{|c|c|c|c|c|c|c|}
\hline
x & 0 & 1 & 2 & 3 & 4 & 5 \\
\hline
f(x) & 7 & 5 & 3 & 2 & -7 & -5 \\
\hline
\end{tabular}
\begin{tabular}{|c|c|c|c|c|c|c|}
\hline
x & 0 & 1 & 2 & 3 & 4 & 5 \\
\hline
g(x) & 3 & \frac{1}{4} & \frac{1}{2} & 5 & \frac{1}{3} & 2 \\
\hline
\end{tabular}
The value of g^{-1}[f(3)] is
- (A)
\frac{1}{2} - (B)2
- (C)5
- (D)7
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