Use a graphing calculator to work Exercises 79. (See Examples)
Finance The financial assets of households (in trillions of dollars) can be approximated by
y = .328x3 - 7.75x2 + 59.03x - 97.1,
where x = 5 corresponds to 2005.
Find the minimum value of the household assets between 2007 and 2011.
Example 1
Use a graphical root finder to solve x3 - 5x + 1 = 0 .
Example 2
Business The net income (in millions of dollars) for Marriott International, Inc. can be approximated by
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