Question

Consider the graph of the function g given by g(x)=ln(x^2+1)/x for 0 < x. Let A(x) be the area of the shaded rectangle shown in the figure below, where x is the coordinate of the lower right corner of the rectangle, with x > 0.

Answer 1

The x-value (x > 0) that maximizes A(x) is:

1.9802913
19.7540002
17.6330301
25.9392111
None of these—there is no maximum.

Answer 2

@jim_thompson5910

Answer 3

@TheSmartOne

Answer 4

Sorry, I don't know :/ But maybe they can help :)
@dan815 @zepdrix @amistre64 @jdoe0001

Answer 5

@rational ?