Question

Let f : R $\rightarrow$ R be a positive increasing function with $\underset{x \rightarrow \infty}{lim} \frac{f(3x)}{f(x)} = 1.$ Then $\underset{x \rightarrow \infty}{lim} \frac{f(2x)}{f(x)} =$
$(a) \frac{2}{3}\\(b) \frac{3}{2}\\(c) 3 \\(d) 1$

Answer 1

SOLUTION⬆️

Option (d)✓✓

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Answer 2

Answer:

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Scarlet