A fence is to be built to enclose a rectangular area of 230 square feet. The fence along three sides is to be made of material that costs 6 dollars per foot, and the material for the fourth side costs 13 dollars per foot. Find the dimensions of the enclosure that is most economical to construct. Part 1: State the cost of the perimeter of this rectangle as a function of x andA у. C(x, y) : Part 2: State the area of this rectangle as a function of x and y. Part 3: Find y as a function of x, using the given value of the area of the rectangle. Part 4: Rewrite the cost as a function of x. Part 5: Find the derivative of the cost of the perimeter of the rectangle with respect to x. Part 6: Find the x and y values that minimize the cost of the perimeter of the rectangular fence.
A fence is to be built to enclose a rectangular area of 230 square feet. The fence along three sides is to be made of material that costs 6 dollars per foot, and the material for the fourth side costs 13 dollars per foot. Find the dimensions of the enclosure that is most economical to construct. Part 1: State the cost of the perimeter of this rectangle as a function of x andA у. C(x, y) : Part 2: State the area of this rectangle as a function of x and y. Part 3: Find y as a function of x, using the given value of the area of the rectangle. Part 4: Rewrite the cost as a function of x. Part 5: Find the derivative of the cost of the perimeter of the rectangle with respect to x. Part 6: Find the x and y values that minimize the cost of the perimeter of the rectangular fence.
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 3SE: How are the absolute maximum and minimum similar to and different from the local extrema?
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