The data in the table shows the temperature for a cup of coffee after it is poured into the cup. The initial temperature of the coffee is F. Which one of the following functions is the best model for this data? 
Definitions:
Formal Operational Thought
A stage in cognitive development, according to Piaget, where individuals develop the ability to think abstractly, logically, and systematically, usually beginning in adolescence.
Concrete Operational Thought
A stage in cognitive development, described by Piaget, where children aged 7-12 start to think logically about concrete events.
Sensorimotor Thought
refers to the stage in early childhood cognitive development where learning occurs through sensory experiences and manipulating objects.
Preoperational Thought
A stage in Piaget's theory of cognitive development where children from about 2 to 7 years old demonstrate symbolic thinking but not yet using cognitive operations like logic.
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