Solve the problem.Assume the total revenue from the sale of x items is given by 
while the total cost to produce x items is 
Find the approximate number of items that should be manufactured so that profit, 
is maximum.
A. 63 items
B. 20 items
C. 77 items
D. 90 items
Answer: D
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Which of the following formulas can not be used to find the surface area of a cube??
A.
?
B.
??S = 2LH + 2LW + 2WH
C.
?
D.
?S = 2LH + 2LW + 2LH
E.
?None of the above.
A boundary stripe 2 in. wide is painted around a rectangle whose dimensions are 100 ft by 240 ft. Use differentials to approximate the number of square feet of paint in the stripe.
What will be an ideal response?
Solve.A sign board has an area of 255 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 15 m by 20 m B. 17m by 17 m C. 15 m by 17 m D. 16 m by 16 m
Provide an appropriate response.
A segment is removed from a flat metal circle so that the piece will rest on a horizontal base. Find the area of the segment that was removed. 
A. 3.47 cm2 B. 147.60 cm2 C. 276.36 cm2 D. 75.53 cm2