Young Aspen Trees and Growth Narrative
Let x be the number of leaves on a young aspen tree and let y be the growth of the tree (in mm). The data are as follows. 
-Refer to Young Aspen Trees and Growth Narrative. What is the average change in growth with the increase of one leaf?
Definitions:
Brevis
Refers to a muscle that is short in length, commonly used in anatomical names of muscles that are shorter than a nearby muscle (e.g., Flexor Pollicis Brevis).
Short
Having a small distance from one end to the other, not long.
Wide
Encompassing a large extent or breadth; not narrow.
Sarcomeres
The basic structural and functional unit of a muscle fiber, responsible for muscle contraction.
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