Cross-sectional Area The cross-sectional area of a beam
Chapter 3, Problem 32(choose chapter or problem)
Cross-sectional Area The cross-sectional area of a beam cut from a log with radius 1 foot is given by the function where x represents the length, in feet, of half the base of the beam. See the figure. A1x2 = 4x21 - x2 , Tbl TblStart = 0 Tbl = 25. h = h1x2. A(x ) " 4x#1 ! x 2 x 1 (a) Find the domain of A. (b) Use a graphing utility to graph the function (c) Create a TABLE with and for Which value of x maximizes the crosssectional area? What should be the length of the base of the beam to maximize the cross-sectional area?
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