Ans: C
$\begin{array}{rcl}
15+4x & < & 3 \\ 4x & < & -12 \\ x & < & -3 \end{array}$
$\begin{array}{rcl}
15+4x & < & 3 \\ 4x & < & -12 \\ x & < & -3 \end{array}$
Also,
$\begin{array}{rcl}
9-2x & > & 1 \\
-2x & > & -8 \\
x & < & 4
\end{array}$
Therefore, the overall solution is $x<4$.
