SOLUTION :
Average value (fave) of the given function f(x) in interval (2, 5)
5
= ∫ f(x) dx / (5 - 2)
2
5
= 1/3 ∫ e^(x/4) dx
2
5
= 1/3 * 4 [ e^(x/4)) ]
2
= 4/3 * [e^(5/4) - e^(2/4)]]
= 4/3 * 1.8416
= 2.455 (ANSWER)
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