Question

In: Math

The profit P, in thousands of dollars, that a manufacturer makes is a function of the...

The profit P, in thousands of dollars, that a manufacturer makes is a function of the number N, in thousands, of widgets produced in a year, and the formula is P(N)= 10N-N2-6.34. The formula is valid up to a level of 7,000 widgets produced. Express in functional notation the profit at a production level of 4,500 widgets. Calculate the value and explain the result in practical terms. What are the fixed costs? Determine the break-even point(s) for this manufacturer. What is the maximum profit?

Solutions

Expert Solution

given P(N)= 10N-N2-6.34

4,500 widgets
=>N=4.5

Expression for the profit at a production level of 4,500 widgets is P(4.5)

P(4.5)= 10(4.5)-4.52-6.34
=>P(4.5)= 45-22.5-6.34
=>P(4.5)= 18.41

value is 18.41
profit at a production level of 4,500 widgets is 18.41 thousand dollars

-----------------------------------------

fixed cost =P(0)
=>fixed cost =10(0)-(0)2-6.34
=>fixed cost =-6.34 thousand dollars

-----------------------------------------

at breakeven profit is zero
=>10N-N2-6.34=0
=>N2-10N=-6.34
=>N2-2(5)N+52=52-6.34
=>(N-5)2=18.66
=>N-5=-(18.66)1/2
=>N=5-(18.66)1/2
=>N=0.6802777867.......thousand widgets

break-even point is 680 widgets

--------------------------------------------

P(N)= 10N-N2-6.34
=>P(N)= -(N2-10N)-6.34
=>P(N)= -(N2-2(5)N+52-52)-6.34
=>P(N)= -(N-5)2+52-6.34
=>P(N)= -(N-5)2+18.66

maximum profit is 18.66 thousand dollars which occurs when 5000 widgets are produced in an year


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