a) p = -(1/50)x + 14,000
R = p * x = -(1/50)x2 + 14,000x
b) Profit = R - C = -(1/50)x2 + 14,000x - (11160x + 30,000)
= -(1/50)x2 + 14,000x - 11160x - 30,000
= -(1/50)x2 + 2840x - 30,000
c) Profit is maximized at the quantity of x where first order derivative of profit function is 0.
-(2/50)x + 2840 = 0
(2/50)x = 2840
x = 2840 / (2/50) = 2840 * (50/2) = 71,000
Profit = -(1/50)x2 + 2840x - 30,000
= -(1/50)(71,000)2 + 2840(71,000) - 30,000
= - 100,820,000 + 201,640,000 - 30,000
= $100,790,000
d) p = -(1/50)x + 14,000
= -(1/50)(71,000) + 14,000
= $12,580
1 x+14,000. The cost of producing x vans is given by the function 50 The CarryltAll...
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