SOLUTION: Assume the profit earned by an artist in any given year is governed by the function
P(n) = -2n2 + 20n – 30
where n represents the number of paintings sold and P (in thousan
Algebra.Com
Question 224713: Assume the profit earned by an artist in any given year is governed by the function
P(n) = -2n2 + 20n – 30
where n represents the number of paintings sold and P (in thousands of dollars) represents the profit. How many paintings should be sold to create a maximum profit? What is the maximum profit?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Assume the profit earned by an artist in any given year is governed by the function:
P(n) = -2n^2 + 20n – 30
where n represents the number of paintings sold and P (in thousands of dollars) represents the profit.
How many paintings should be sold to create a maximum profit?
:
This is a quadratic equation; find the axis of symmetry:
This formula x = -b/(2a)
In this equation x=n; b=20; a=-2
n =
n =
n = +5 paintings for max profit
:
What is the maximum profit?
Substitute 5 for n in the original equaiton
p(n) = -2(5^2) + 20(5) - 30
p(n) = -2(25) + 100 - 30
p(n) = -50 + 100 - 30
p(n) = $20 thousand profit
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