6. [/1 Points] DETAILS SCALCCC4 6.5.017. MY NOTES ASK YOUR T The linear density p in a rod 3 m long is 8/'/x + 1 kg/m, where X is measured in meters from one end of the rod. Find the average density Pave of the rod. = :1 Wm Need Help? __ Submit Answer 7. [/1 Points] DETAILS SCALCCC4 6.5.015.M|. MY NOTES ASK YOUR T In a certain city the temperature (in \"F) t hours after 9 AM was modeled by the function T(t) = 40 + 19 sin Lt. 12 Find the average temperature Tave during the period from 9 AM to 9 PM. (Round your answer to the nearest F.) Tave = E F Need Help? Submit Answer 8. [2/3 Points] DETAILS PREVIOUS ANSWERS SCALCCC4 6.5.AE.01. MY NOTES ASK YOUR T Video Example-1 EXAMPLE 1 Find the average value of the function f(x) = 3 + x2 on the interval [-3, 2]. (Give your answer correct to three significant figures.) SOLUTION With a = -3 and b = 2, we have 1 b fax'g = m/ fl!) 4-" 1 a 2(- >/ =-x