Concept explainers
19-32 In these problems you are asked to find a function that models a real – life situations and then use the model to answer questions about the situation. Use the guidelines on page 273 to help you.
Fencing a Garden Plot A property owner wants to fence a garden plot adjacent to a road, as shown in the figure. The fencing next to the road must be sturdier and costs $5 per foot, but the other fencing costs just $3 per foot. The garden is to have an area of 1200 ft2.
(a) Find a function that models the cost of fencing the garden.
(b) Find the garden dimensions that minimize the cost of fencing.
(c) If the owner has at most $600 to spend on fencing, find the range of lengths he can fence along the road.
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Algebra and Trigonometry (MindTap Course List)
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