Solve the problem.The demand for a specialized oil-drilling engine is given by the demand function D(x) = 
where x is the number of units produced each day and D(x) is the number sold each day. Assume that x is an integer. What is the daily demand for this item (units sold each day) if 30 units are produced each day? Round to the nearest integer.
A. 25 units per day
B. 10 units per day
C. 29 units per day
D. 8 units per day
Answer: B
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If you wish to have an item you ordered delivered quickly, you must pay extra for shipping, and the amount you pay depends on the weight w, in pounds, of the item. The shipping cost S, in dollars, is given by
.
You have $32.39 to spend on shipping costs. How large an item can you have shipped?
A. 12.42 pounds B. 21.41 pounds C. 11.98 pounds D. 11.31 pounds
Find the equation that the given graph represents.
A. P(x) = -x3 + 4x2 - 9 B. P(x) = -x3 + 20x C. P(x) = x3 - 4x2 + 20x D. P(x) = x3 + 9x
Multiply and simplify.
A. 25
B. -15
C. -25
D. 15
Use Green’s Theorem to find the work done by the force F(x,y) = (4x - 9y²)i + 6yj in moving a particle in the positive direction once around the triangle with vertices (0, 0), (1, 0), and (0, 1).
What will be an ideal response?