Find the average value of the function defined by f(a) = a sin 3a on the interval [0, VIT]. See Example 1 page 253 for a similar problem.Suppose the temperature in degress Fahrenheit of a metal bar of length 2 feet depends on the position 2: according the function T(a:} = 40 + 20::(2 9:3) Find the average temperature in the bar. :] Is there a point where the actual temperature equals the average temperature? See Example 2 page 253 for a similar