(adsbygoogle = window.adsbygoogle || []).push({}); Studying for exam, need help!!

Hi can someone help me out. My girlfriend has an exam tomorrow and she got stuck on this question. Her professor decided not to give out any solutions she's not too sure if she is heading in the right direction. Any help would be great, thank you in advance.

Here is the question:

Prove by using the definition of the limit of a sequence that:

[tex]\lim_{n \to \infty} \frac{n + 1}{n^2} + 3 = 3[/tex]

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# Studying for exam, need help

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