<s>[INST] Limit as $x$ approaches infinity of a ratio of exponential functions. The problem appears as follows:
Use algebra to solve the following:
$$\lim_{x\to \infty} \frac{2^{3x+2}}{3^{x+3}}$$
The result is infinity which makes intuitive sense but I can’t get it to yield algebraically.
Attempt:
$$\frac{2^{3x+2}}{3^{x+3}} = \frac{2^{3x}2^2}{3^{x}3^3}$$
I’ve decided against continuing writing out my attempt because writing on an iPad, in Latex, is no fun.
The end-result I produce when taking the limit (as $x$ approaches infinity) of the above expression is $\inf / \inf = 1$.
(Do I have to demonstrate that $2^3x$ grows faster than $3^x$ for large $x$?)
 [/INST] Hint: $\displaystyle\;\frac{2^{3x+2}}{3^{x+3}}=\frac{2^2}{3^3} \cdot \frac{\left(2^3\right)^x}{3^x}=\frac{4}{27} \cdot \left(\frac{8}{3}\right)^x \gt \frac{4}{27} \cdot  2^x\,$.
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