Consider the following rectangular piece of tinplate. An open-top cake tin is to be made by cutting a square from each corner. The sides of the rectangular tinplate are in a ratio p:q. (a) Consider a rectangle where one side is twice the length of the other (i.e. p: q = 2:1). Using your process and findings from Part B, determine the exact value of x that gives the maximum volume for this cake tin. (b) Repeat this process for a rectangular tinplate in the ratio 3:1. (c) Explore rectangular tinplate with sides in at least two other ratios. Hint: Change the value of both p and q, and determine exact solutions for x. Develop a conjecture about the relationship between x (the cut to be made for the square) and the (d) length of each side of the rectangle tinplate Show sufficient working to support your conjecture. and q) such that the cake tin has a maximum volume.

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Part C (Rectangular Cake Tins):
Consider the following rectangular piece of tinplate. An open-top cake tin is to be made by cutting a square
from each corner. The sides of the rectangular tinplate are in a ratio p:q.
(а)
Consider a rectangle where one side is twice the length of the other (i.e. p: q = 2:1). Using your
process and findings from Part B, determine the exact value of x that gives the maximum volume for
this cake tin.
(b)
Repeat this process for a rectangular tinplate in the ratio 3:1.
(c)
Explore rectangular tinplate with sides in at least two other ratios.
Hint: Change the value of both p and q, and determine exact solutions for x.
(d)
Develop a conjecture about the relationship between x (the cut to be made for the square) and the
length of each side of the rectangle tinplate (p and q) such that the cake tin has a maximum volume.
Show sufficient working to support your conjecture.
Transcribed Image Text:Part C (Rectangular Cake Tins): Consider the following rectangular piece of tinplate. An open-top cake tin is to be made by cutting a square from each corner. The sides of the rectangular tinplate are in a ratio p:q. (а) Consider a rectangle where one side is twice the length of the other (i.e. p: q = 2:1). Using your process and findings from Part B, determine the exact value of x that gives the maximum volume for this cake tin. (b) Repeat this process for a rectangular tinplate in the ratio 3:1. (c) Explore rectangular tinplate with sides in at least two other ratios. Hint: Change the value of both p and q, and determine exact solutions for x. (d) Develop a conjecture about the relationship between x (the cut to be made for the square) and the length of each side of the rectangle tinplate (p and q) such that the cake tin has a maximum volume. Show sufficient working to support your conjecture.
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