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The graph shows a fir tree's diameter growth over a 50 year period.
What does the y-intercept represent?
The diameter of the fir tree at 1 year.
The diameter of the fir tree when planted.
The age of the fir tree when it was planted.
The unit rate for each year of growth.

The graph shows a fir tree's diameter growth over a 50 year period. What does the y-intercept represent? The diameter of the fir tree at 1 year. The diameter of class=

Answer :

Answer:

The answer is B.) The diameter of the fir tree when planted and 20 inches

Step-by-step explanation:

The y-intercept is the initial diameter of the fir tree (10 inches). At the end of 50 years, the tree's diameter is 30 inches. Therefore, 30 − 10 = 20 inches of growth occurred over the 50 year period. The diameter of the fir tree when planted. The fir tree's diameter was 10 inches when it was planted.

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