Answer:
Step-by-step explanation:
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The ratio of adams height to sam's height is 4:3 how many times sam's height is adams height
2 answers:
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Answer:
(a)
(b)x=1600, Minimum Average Cost Per iPod=$132
(c)
The result, C''(1600) is positive, which means that the average cost is Concave up at the critical point, and the critical point is a minimum.
Step-by-step explanation:
Given that it costs Apple approximately $ C(x) to manufacture x 32GB iPods in a day, where:
(a)The average cost per iPod when they manufacture x iPods in a day is given by:
The average cost per iPod is therefore:
(b)To minimize average cost of x iPods per day, we set the average cost per iPod=0 and solve for x.
The resulting minimum average cost (at x=1600) is given as:
<u>Second derivative test</u>
(c)The answer above is a critical point for the average cost function. To show it is a minimum, we calculate the second derivative of the average cost function.
At the critical point, x=1600
The result, C''(1600) is positive, which means that the average cost is Concave up at the critical point, and the critical point is a minimum.