The average change in temperature per hour was 6 degrees
Explanation- There are 9 hours between 6:00AM and 3:00PM.
As well as a increase of 54 degrees in those 9 hours.
54/9=6
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The total sum of <span>798300 - 348659 is 449641</span>
The area equation here is:

That means that the area depends on the width measurement of the rectangle.
To graph a quadratic function you have to see if the parabole is positive and the transformations, in this case, are positive and have a multiplication by two, which means that the graphics in x=1 and x=-1 will be y=2
Finally, you can conclude that there, you have a relationship between the area and the width of the rectangle because is a quadratic relationship and the area will increase in a quadratic form according to the increase of the width.