Question

The data set represents a month-to-month 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
1
2
3
4
5
y
2.82
3.29
3.46
3.33
2.88
2.24

Answer 1

A

Explanation:

Answer 2

See the attached figures
Figure (1) ⇒⇒⇒ solution of the problem.
Figure (2) ⇒⇒⇒ The given points of the data set in blue.
⇒⇒⇒ the quadratic regression equation for this data set in red.