Find the surface area of the surface S.S is the area cut from the plane z = 9y by the cylinder x2 + y2 = 9.
A. 9
B. 9
?
C. 6
?
D. 3
?
Answer: B
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Find the gradient field F of the function f.f(x, y, z) = ln
+ z10
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Factor.6m8 - 15m3
A. 3m3(2m5 - 5) B. m3(6m5 - 15) C. 3(2m8 - 5m3) D. 3m3(2m5 + 5)
Provide an appropriate response.The demand function for product A is 
, and the demand function for product B is 
where qA and qB are the quantities demanded for A and B, respectively, and pA and pB are their respective prices. Determine:(a) the marginal demand for A with respect to pB(b) the marginal demand for B with respect to pA(c) whether A and B are competitive, complementary, or neither
What will be an ideal response?
Find the book value to the nearest dollar.Cost $8540, life 10 years, scrap value $769 at the end of 3 years, sum-of-the-years'-digits method
A. $5978 B. $6832 C. $6209 D. $7410