An amusement park is open for 15 hours a day, 7 days a week

Their admission prices are listed below:

3 hours or less: $15

Between 3 and 7 hours: 522

7 or more hours: $30

Part A: Identify the functions and their domains for this context.

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas