Answer:
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Step-by-step explanation:
Given
x:- 1 || 2 || 3 || 4 || 5
y:- 13 || 22 || 37 || 58 || 85
Required
Determine if the function is quadratic
Calculate the difference between the values of y
[tex]Difference = 22 - 13 = 9[/tex]
[tex]Difference = 37 - 22 = 15[/tex]
[tex]Difference = 58 - 37 = 21[/tex]
[tex]Difference = 85 - 58 = 27[/tex]
The resulting difference are: 9 || 15 || 21 || 27
Next; Calculate the difference between the difference of values of y
[tex]Difference = 15 - 9 = 6[/tex]
[tex]Difference = 21 - 15 = 6[/tex]
[tex]Difference = 27 - 21 = 6[/tex]
The resulting difference are: 6 || 6 || 6
For the function to be quadratic, the above difference must be the same and since they are the same (6), then the function represents a quadratic function.
