1/1 Points] DETAILS PREVIOUS ANS Find the indefinite integral by the substitution method or state that it cannot be found by our substitution formulas. [Hint: Let u = vx]. (If it cannot be found by substitution, enter IMPOSSIBLE. Use C for the constant of int eVx 2 eVx_ + C Need Help? Read It 0/1 Points] DETAILS PREVIOUS ANSWERS BERRAPCALC7 5.6.067. MY NOTES ASK YO The population of a city is expected to be P(x) = x(x4+ 36) +/2 million people after x years. Find the average population between year x = 0 and year x = 8. 1/3 X million Need Help? Read It Watch It 0/1 Points] DETAILS PREVIOUS ANSWERS BERRAPCALC7 5.6.071. MY NOTES ASK Y An experimental drug lowers a patient's blood serum cholesterol at the rate of tv 100 - t2 units per day, where t is the number of days since the drug was administered (0 s t s 10). Find the total change during the first 392 X units Need Help? Read It Submit Assignment Save Assignment Progress Home My Assignments + Request Extension