# 2 calculus questions

1. A parcel delivery service will deliver a package only if the lengthplus the girth (distance around, taken perpendicular to the length)does not exceed 104 inches. Find the maximum volume of a rectangularbox with square ends that satisfies the delivery company'srequirements.
2. For the cost function...
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1. A parcel delivery service will deliver a package only if the lengthplus the girth (distance around, taken perpendicular to the length)does not exceed 104 inches. Find the maximum volume of a rectangularbox with square ends that satisfies the delivery company'srequirements.

2. For the cost function

圖片參考：http://r140.n100.queensu.ca:8081/wwtmp/equations/57/8e693aa5480b10e51620f2605fefab1.png

find

<Show steps>

(a) The production level that will minimize the average cost.

Ans: 62.996

(b) The minimal average cost

Ans: 53.811

2. For the cost function

圖片參考：http://r140.n100.queensu.ca:8081/wwtmp/equations/57/8e693aa5480b10e51620f2605fefab1.png

find

<Show steps>

(a) The production level that will minimize the average cost.

Ans: 62.996

(b) The minimal average cost

Ans: 53.811

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