Problem

Annual hotel industry profit since 2000 can be modeled by P(x) = l.lx2 − 5.97x + 22.1, whe...

Annual hotel industry profit since 2000 can be modeled by P(x) = l.lx2 − 5.97x + 22.1, where x is the number of years after 2000 and P is profit in billions of dollars.

a. Estimate the profit in 2007.


b. About what year were profits at their minimum level? What was that profit?

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