Answer :
Final answer:
The situation given, where a tree growing 21cm per year from an initial height of 114cm, is represented by the linear equation y = 21x + 114.
Explanation:
The situation described is one of linear growth. In mathematics, we often use the form y = mx + b for equations that represents linear growth situations.
In this equation, y represents the final height of the tree each year, m denotes the growth rate of the tree each year, x symbolizes the number of years that have passed, and b is the initial height of the tree.
As the tree is initially inches tall and grows 21cm each year, the equation is: y = 21x + 114.
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