Answer:
A curvilinear correlation.
Step-by-step explanation:
A curvilinear correlation is defined to be a type of relationship between two variables, whereby in a case one of the variable is seen as it increases, so does it apply to the other variable, but this seen to happen to a certain level or time which makes one variable to do decrease while the second variable is on an increase spree. There are other cases where the two variables increase to a certain level and drops and also continue to increase with time. The scenario above is seen to outline with the explained explained variables that have been put to consideration.