3. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 10.4.014. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) r(x)- X 81 +X2 maximum x minimum X Need Help? ii Submit Answer 4. [-/1 Points] DETAILS TANAPMATH7 10.4.018.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the absolute maxlmum value and the absolute minimum value, If any, of the function. (If an answer does not exlst, enter DNE.) x) = x2+5x+2on [5,8] maxlmum minimum Need Help? ii 5. {-11 Points] DETAILS TANAPMATH7 10.4.026. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) Rx)=2x%on[7,9] maximum minimum Need Help? 6. [/1 Points] DETAILS TANAPMATH7 10.4.032. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) g(x) = X2 + 4x\"3 on [0, 1] maximum minimum Need Help? 7. [-/1 Points] DETAILS TANAPMATH7 10.4.038. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = xe-* on [0, 1] maximum minimum Need Help? Read It 8. [-/1 Points] DETAILS TANAPMATH7 10.4.042. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Lynbrook West, an apartment complex, has 100 two-bedroom units. The monthly profit (in dollars) realized from renting out x apartments is given by the following function. P(x) = -10x + 1680x - 44,000 To maximize the monthly rental profit, how many units should be rented out? units What is the maximum monthly profit realizable? $ Need Help? Read It9. [-/1 Points] TANAPMATH7 10.4.047.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Flight of a Rocket The altitude in feet attained by a model rocket t seconds into flight is given by the function h(t). Find the maximum altitude (in ft) attained by the rocket. (Round your answer to the nearest foot.) h(t)=%t3+4t2+20t+23 (1'20) It Need Help? 10. [-/1 Points] - TANAPMATH710.4.052. Maxlmlzlng Proflts The weekly demand for the Pulsar 40-in. high-definition television is given by the demand equation ASK YOUR TEACHER PRACTICE ANOTHER p = 0.07X + 695 (0 S X 5 12,000) where p denotes the wholesale unit price in dollars and x denotes the quantity demanded. The weekly total cost function associated with manufacturing these sets is given by C(x) = 0.000004x3 001xz + 400x + 80,000 where C(X) denotes the total cost incurred in producing X sets. Find the level of production that will yield a maximum prot for the manufacturer. Hint: Use the quadratic formula. (Round your answer to the nearest whole number.) Units Need Help? 11. [-/1 Points] DETAILS TANAPMATH7 10.4.060. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The amount of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in the city of Long Beach is approximated by 125 A(t) = - 1 + 0.26(t - 4)2 + 30 (0 s t s 11), where A(t) is measured in pollutant standard index (PSI) and t is measured in hours, with t = 0 corresponding to 7 a.m. Determine the time of day when the pollution is at its highest level. V ---Select--- 7 A.M. 8 A.M. ? Read It 9 A.M. 10 A.M. 11 A.M. er 12 P.M. 1 P.M. 12. 2 P.M. DETAILS TANAPMATH7 10.4.066. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 3 P.M. 4 P.M. 5 P.M. hol Level The percentage of alcohol in a person's bloodstream t hr after drinking 8 fluid oz of whiskey is given by the function below. 6 P.M. 7 P.M. (t) = 0.26te-0.4t (0 s t s 12) At how long (in hr) after drinking the alcohol is the percentage of alcohol in the person's bloodstream at its highest level? (Round your answer to two decimal places.) t = hr What is the level (in %)? (Round your answer to three decimal places.) % Need Help? Read It11. [I1 Points] - TANAPMATH7 10.4.060. ASK YOUR TEACHER PRACTICE ANOTHER The amount of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in the city of Long Beach is approximated by 125 At=+3O ostsu 0 1 +0.26(t4)z ( )' where A(t) is measured in pollutant standard index (PSI) and t is measured in hours, with t = 0 corresponding to 7 am. Determine the time of day when the pollution is at its highest level. ---Select--- Need Help? Submit Answer 12. [-/1 Points] TANAPMATH710.4.066. ASKYOUR TEACHER PRACTICE ANOTHER Blood Alcohol Level The percentage of alcohol in a person's bloodstream t hr after drinking 8 fluid oz of whiskey is given by the function below. A(t) = 0.26:5'0-4' (o s t s 12) At how long (in hr) after drinking the alcohol is the percentage of alcohol in the person's bloodstream at its highest level? (Round your answer to two decimal places.) t = hr What is the level (in %)? (Round your answer to three decimal places.) % Need Help? _