Identify the type of surface represented by the given equation.
+ 
= 
A.
| Ellipsoid |
B. Elliptic cone
C. Hyperbolic paraboloid
D. Elliptic paraboloid
Answer: D
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Solve the problem.You have money in an account at 7% interest, compounded monthly. To the nearest year, how long will it take for your money to double?
A. 10 years B. 6 years C. 8 years D. 14 years
Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = - 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
Provide an appropriate response.Solve the system of equations using the addition method: 2x + 3y = -1 4x - 2y = -10
Fill in the blank(s) with the appropriate word(s).
Solve the problem.For a certain computer desk, the manufacturing cost C per desk (in dollars) is C = 
where x is the number of desks manufactured.a. Find the average cost per desk when manufacturing 200 desks.b. Find the average cost per desk when manufacturing 1000 desks.
A. a. $170 b. $194 B. a. $50 b. $26 C. a. $230 b. $206 D. a. $260 b. $230