A solid rectangular beam has a height of 6 inches and a width of 4 inches. The safe load S of the beam with the load at the center is a function of its length L and is approximated by the model shown below, where S is measured in pounds and L is measured in feet. S(L) =  128,160 L (a) Find S(12). lb(b) Find S(16). lb

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 36E
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A solid rectangular beam has a height of 6 inches and a width of 4 inches. The safe load S of the beam with the load at the center is a function of its length L and is approximated by the model shown below, where S is measured in pounds and L is measured in feet.

S(L) =  128,160
L
(a) Find S(12).
 lb

(b) Find S(16).
 lb
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