During the first years of growth the height of a tree can be modeled with the function h=-t^2 +12t+10 where t is the time in years since being planted and h is the height in inches. enter the average rate cof change, in inches per year, from year 1 to year 5.

ANSWER

6 inches

EXPLANATION

The given function is

The average rate of change from t=1 to t=5 is given by:

Also,

The average rate of change is now

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