Consider the following. x1=9x4 82x2+9 (a) List the possible Iational zeros of f. [Enter your answers as a commasepalated list.) (in) Use a graphing utility.r to graph fso that some of the possible zeros in part {a} can be disregarded. fur] fix] 400' 0 Cl [0] Determine all real zeros off. (Enter your answers as a comma-sepalated list.) x: x] Consider the following. x) = x4 6x2 + 5 (a) Use the zero or root feature of a graphing utility:r to approximate ie zeros of the function accurate to [tree decimal places. {Enter yo ur answers as a comm aseparated list.) x: (b) Determine the exact value of one of the zeros (use synthetic division to verify your result). x: (:3) Factor the polynomial completely. x} = 41.11 Points] DEl'AlLS LARPEALCLIMS 2.5.114. The ordering and transportation cost C (in iousands of dollars} for machine parts is c=100(+ X ), x21 ,2 x+30 wherex is the order size (in hundreds). In calculus, it can be shown that the cost is a minimum when 3x3 40x2 24oox 35,000 = 0. Use a calculator to approximate the optimal order size to the nearest hundred units. E units Need Help