me anything Question completion status QUESTION 1 suppose 1 points Answer of a m
ID: 2882237 • Letter: M
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me anything Question completion status QUESTION 1 suppose 1 points Answer of a manufacturer has determined that the tota cost c of operating a factory is c -06x2 96,000, where x is the number al urits produced At what level Production will the average cost per unit be minimized? +12x 40 units (The average cost per unit is 600 units C. x 60 units D x 400 units E. x 440 units QUESTION 2 1 points Save Answer cos (9x) is decreasing in the interval (o.13s6) Round numerical values in your answer to three decimal o A decreasing on (o 349, o 175).(0.349,0 624) (0.69s, osmy),(1147.1.396) e B decreasing on (0.0.175).(0.449.0.s24). (0 698.0 (1.142.1222) C decreasing on: (0.175.0.349) (0524,0.698) (0.873, 1.047) (1.222.1596) o D decreasing on (o 0.17s) (o 349.0.524). 698,0 873) 047.1222) E decreasing on (0.349.0.175 1 points save Answer QUESTION 3 Find the relative minima of f(x -cos (10x on the Interal (0,1257 by applying Fist Deivative Test Round valves in your arswerto three decimal A relative minima (o 152.0) (o 7i.0) (o ss, c), 100.0) B relative minima: (0 314,1) (0.628,1) (0.942,1) relative minima (0,628.0, (0,785,0) (1 100,0), (0.471,0) A A 4 ENGExplanation / Answer
1. C(x) = 0.6x^2 +12x +96000
differentiating both sides wrt x
d(C(x))/dx = 1.2 x +12
putting dC(x)/dx = 0 , we get
1.2x+12 = 0
x = 60 units
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