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```        Let f:R->R be a +ve increasing function with lim x->infinity f(3x)/f(x) = 1.
Then lim x->infinity f(2x)/f(x) =
(a) 3/2
(b) 3
(c) 1
(d) 2/3
Exlain the procedure also. Plz!!!!```
7 years ago

bharat bajaj
IIT Delhi
123 Points
```										The key here is that regardless of what a is, ax-> infinity as x ->infinity. If you want to think of it in terms of y-intercepts, you can even if f isn't a polynomial. Multiplying the independent variable by a constant a stretches or compresses the graph in the horizontal direction, but it doesn't change the location of the y-intercept.Hence, the limit would be the same that is 1.C) is the answerThanks & RegardsBharat Bajajaskiitian facultyIIT Delhi
```
3 years ago
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