Question: The data set represents a bimonthly progression of gasoline prices over the course of several months in an unspecified city. Use a graphing calculator to determine the quadratic regression equation for this data set.
| x |
0 |
2 |
4 |
6 |
8 |
| y |
2.86 |
2.89 |
2.93 |
3.04 |
3.11 |