Answer:
quadratic with a common second difference of 4
Step-by-step explanation:
The only answer choice that is self-consistent is ...
quadratic with a common second difference of 4
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You don't even need to see the data table to choose the appropriate answer.
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More explanation
A linear function will have a common first difference, not a common ratio or (non-zero) second difference. [eliminates choices A and B]
A quadratic function will have a common second difference (consistent with the last answer choice).
Any function with a common ratio is an exponential function. [eliminates choice C]
