Approximating a Solution from a Table
Approximately how many hours of operation will result
in a cost of $310,000?
The table below represents the cost, in hundreds of
thousands of dollars, for operating a factory for x hours.
The data is modeled by the function
f(x) = x3-12x2+385x+57.
4.25
4.5
O 4.75
O
Hours
Cost
1 | 2 | 3 | 4
110 156 203 259
| 5
332
O
5.0