Question Find the average value fave of the function fon the

Last updated: 7/2/2023

Question Find the average value fave of the function fon the given interval f x 3x 4x 1 5 At first I calculated using the two formulas The average value of function f over the interval a b and the Power Rule that I wrote in the picture but couldn t solve it I attached the picture below Can anyone give me a hint of what I missed B