Question
Evaluate the following limit:
$\lim\limits_{\text{x}\rightarrow4}\frac{\text{x}^2-7\text{x}+12}{{\text{x}^2}-3\text{x}-4}$
$\lim\limits_{\text{x}\rightarrow4}\frac{\text{x}^2-7\text{x}+12}{{\text{x}^2}-3\text{x}-4}$
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Given that $7 \mathrm{x} \leq \mathrm{f}(\mathrm{x}) \leq 3 \mathrm{x}^2-6$ for all $x$. Determine the value of $\lim _{x \rightarrow 3} f(x)$
$3 A-B=\left[\begin{array}{ccc}-1 & 2 & 1 \\ 1 & 0 & 5\end{array}\right]$ and $A+5 B=\left[\begin{array}{ccc}0 & 0 & 1 \\ -1 & 0 & 0\end{array}\right]$