Question
Directions: Answer all of the questions fully, being sure to show all necessary work. (1) A plant nursery sells two sizes of oak trees to
Directions: Answer all of the questions fully, being sure to show all necessary work.
(1) A plant nursery sells two sizes of oak trees to landscapers. Large trees cost the nursery $120 from the grower, and small trees cost the nursery $ 80. The profit for each type of tree is $35 for each large tree sold, and $ 30 for each small tree sold. The monthly demand is at most 400 oak trees. Furthermore, the nursery does not want to allocate more than $43200 each month on inventory for oak trees.
- (a)Letxbe the number of Large oak trees sold, andybe the number of small oak trees sold. Write the objective function for profit for this scenario:
- Profit=
- (b)The sales the nursery makes (and thus the profit they earn) is limited by several factors. For each constraint list a inequality representing the constraints:
- (i)The number of trees of each type cannot be negative. (This is two seperate ineqaulities.)
- (ii)The monthly demand (total number of trees sold) is at most 400 oak trees.
- (iii)The nursery does not want to allocate more than $43200 each month on inventory for oak trees, and each large tree costs the nursery $120 from the grower, and each small tree costs the nursery $ 80.
(c) Graph the system of inequalities represented by the constraints you just found, and shade the feasible region.
- (d)List all the vertices of the feasible region.
- (e)Test the objective function at each vertex
- (f)What is the number of large and small oak trees the nursery should have in inventory to maximize profit?
- (g)What is the maximum profit?
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