Question 1115190
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With the "ugly" numbers, it is easiest to solve this using a graphing calculator.<br>
Graph the given function and the constant and find where the graphs intersect.<br>
A couple of things to remember....
(1) x is years after 1990;
(2) N is in thousands<br>
The graph should look something like this:<br>
{{{graph(400,400,-10,40,-500,2000,-2.06x^2+77.81x+749,1355.65)}}}<br>
You can see from the graph that, with the given function, there will be two different times when the number is 1,355,650.