I've determined that g1(x) diverges and g2(x) converges but I have no idea why. None of the options given seem right.
The most relevant text from the textbook on page 55 says:
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It appears that the different behaviors depend on whether the slope of the curve is greater, less, or of opposite sign to the slope of the line (which equals +1).
Has anyone figured out which is which?
And what exactly is meant by 'interval of convergence' in the questions?