Use a graphing calculator to work Exercises 78. (See Examples)Finance The financial assets...

Use a graphing calculator to work Exercises 78. (See Examples)

Finance The financial assets of the mutual fund industry (in trillions of dollars) can be approximated by

y = .0556x3 - 1.286x2 + 9.76x - 17.4,

where x = 5 corresponds to 2005.

Find the minimum value of the total assets between 2008 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