Level:
Project ID:
1003082605
Accepted:
1
Solve the following system of two inequalities.
\begin{align*} \left(\frac12\right)^{x+1}-3\left(\frac12\right)^{x+2}+\frac12&\geq0\\ 4^{x+2}-3\cdot4^{x+1} &< 1 \end{align*}
The system of inequalities has no solution.
\( x\in(-\infty;\infty) \)
\( x\in(-\infty;-1) \)
\( x\in(-\infty;-1] \)