Answer:Curvilinear Relationship
Explanation:
A Curvilinear Relationship refers to a relationship between two variables where by an increase in one of these variables lead to an increase in the other one but only to a certain amount,after this point an increase of one of these variables will lead to a decrease of the other variable. This will result to an inverted U shaped curve graph.
There curvilinear relationship also occurs when increasing one variable lead to a decrease of the other variable to some extent after which an increase of one variable will lead to an increase of the other variable and you will end up with a U shaped curve.
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