The total cost and the total revenue​ (in dollars) for the production and sale of x ski jackets are given by   ​C(x)=28x+37,960 and ​R(x)=200x−0.1x2     for 0≤x≤2000.   ​(A) Find the value of x where the graph of​ R(x) has a horizontal tangent line. ​(B) Find the profit function​ P(x). ​(C) Find the value of x where the graph of​ P(x) has a horizontal tangent line. ​(D) Graph​ C(x), R(x), and​ P(x) on the same coordinate system for 0≤x≤2000. Find the​ break-even points. Find the​ x-intercepts of the graph of​ P(x).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The total cost and the total revenue​ (in dollars) for the production and sale of x ski jackets are given by  
​C(x)=28x+37,960 and ​R(x)=200x−0.1x2     for 0≤x≤2000.
 
​(A)
Find the value of x where the graph of​ R(x) has a horizontal tangent line.
​(B)
Find the profit function​ P(x).
​(C)
Find the value of x where the graph of​ P(x) has a horizontal tangent line.
​(D)
Graph​ C(x), R(x), and​ P(x) on the same coordinate system for
0≤x≤2000.
Find the​ break-even points. Find the​ x-intercepts of the graph of​ P(x).
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