Answer
$$\lim_{x\to0^+}\frac{1}{3x}=\infty$$
Work Step by Step
$$A=\lim_{x\to0^+}\frac{1}{3x}$$
As $x\to0^+$, $3x$ approaches $0$ from the right, so $1/3x$ will approach $\infty$. Therefore,
$$A=\lim_{x\to0^+}\frac{1}{3x}=\infty$$
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