Concept explainers
Maximize volume An open box is to be constructed from a piece of cardboard 20 inches by 24 inches by cutting a square of length x from each corner and folding up the sides as shown in the figure.
a. Write a polynomial function
b. Use the theory learned about graphing polynomial functions and graph
c. What is the domain of the function as it relates to the application problem?
d. Use a graphing calculator to graph the function, and estimate the value of x that gives the maximum volume and then estimate the maximum volume. Round to one decimal place.
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Chapter 4 Solutions
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