Answer :

sqdancefan

9514 1404 393

Answer:

  5

Step-by-step explanation:

The average rate of change on the interval is ...

  (f(4) -f(1))/(4 -1) = ((4² +3) -(1² +3))/3 = (4² -1²)/3 = 15/3 5

The average rate of change of f(x) on [1, 4] is 5.

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