Find an equation of the line tangent to 
at x = 3.
Definitions:
Sensorimotor Stage
The first stage of Piaget’s theory of cognitive development, where infants learn about the world primarily through their sensory impressions and motor activities.
Preoperational
A stage in Piaget's theory of cognitive development where children, typically aged 2 to 7, are capable of symbolic thought but not yet of logical operations.
Formal-Operations
The stage of cognitive development in Piaget's theory, characterized by the ability to think about abstract and hypothetical situations.
Accommodation
A cognitive process described by Piaget in which existing mental schemas are modified or new schemas are created to incorporate new information.
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