SOLUTION: which kind of function best models the data in each table? choose an equation to model the data.
x/y
-1/2.2
0/0
1/2.2
2/8.8
3/19.8
possible answers:
linear y=2.2x
quadrati
Algebra.Com
Question 426296: which kind of function best models the data in each table? choose an equation to model the data.
x/y
-1/2.2
0/0
1/2.2
2/8.8
3/19.8
possible answers:
linear y=2.2x
quadratic y=2.2x^2
exponential y=2.2^x
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
This function is symmetric about the y-axis. -1 gets you to the same function value as 1.
No exponential equation is symmetric to the y-axis, and only a purely horizontal line would be symmetric to the y-axis. The model must be a quadratic.
Check: Square -1 to get 1 times 2.2 is 2.2
Square 0 to get 0 times 2.2 is 0
Square 1 to get 1 times 2.2 is 2.2
Square 2 to get 4 times 2.2 is 8.8
and so on.
John
My calculator said it, I believe it, that settles it
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