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14. A rancher has 820 yards of fencing with which to enclose two rectangular corrals, both of the same size. The corrals will share one side, and a river forms one side of both corrals. Suppose the width of each corral is x yards, where x is a side perpendicular to the river. Express the total area of the two corrals as a function of x.

14. A rancher has 820 yards of fencing with which to enclose two rectangular corrals, both of the same size. The corrals will share one side, and a river forms one side of both corrals. Suppose the width of each corral is x yards, where x is a side perpendicular to the river. Express the total area of the two corrals as a function of x.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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14. A rancher has 820 yards of fencing with which to enclose two rectangular corrals, both of the same size. The corrals will share one side, and a river forms one side of both corrals. Suppose the width of each corral is x yards, where x is a side perpendicular to the river. Express the total area of the two corrals as a function of x. 15. Jim works for a clothing store. He gets paid $200 per week base salary, plus 4% or his sales on everything over $1000 up to $4000, plus 10% on his sales on everything over $4000. (a) Find a piecewise function for his total pay. (b) Graph that function of his pay for sales up to $8,000.
Transcribed Image Text:14. A rancher has 820 yards of fencing with which to enclose two rectangular corrals, both of the same size. The corrals will share one side, and a river forms one side of both corrals. Suppose the width of each corral is x yards, where x is a side perpendicular to the river. Express the total area of the two corrals as a function of x. 15. Jim works for a clothing store. He gets paid $200 per week base salary, plus 4% or his sales on everything over $1000 up to $4000, plus 10% on his sales on everything over $4000. (a) Find a piecewise function for his total pay. (b) Graph that function of his pay for sales up to $8,000.
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