Concept explainers
A page that is
(a) Show that the total area A of the page is
(b) Determine the domain of the function based on the physical constraints of the problem.
(c) Use a graphing utility to graph the area function and approximate the dimensions of the page that use the least amount of paper. Verify your answer numerically using the table feature of the graphing utility.
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Chapter 4 Solutions
College Algebra
- How can you use the discriminant when you are graphing a quadratic function?arrow_forwardGraph f(x)=x22x+3 by using its properties.arrow_forwardGraph the quadratic function f(x)=2x24x3 first using the properties as we did in the last section and then graph it using transformations. Which method do you prefer? Whyarrow_forward
- A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the quadratic function of. h(x)=16t2+208t. When will the rocket reach its maximum height? What will be the maximum height?arrow_forwardFind the vertex of the graph of the quadratic function f(x)=2(x+5)24.arrow_forward
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