The feasible set of a certain linear programming problem is given by the following system of linear inequalities. Without graphing this set, determine which of the following points is not in the feasible set. 
A. (7, 3)
B. (8, 4)
C. (1, -3)
D. (8, -1)
E. none of these
Answer: C
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Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines x = y/3, x = 1, y = 0
A. 27(e + 1)
B. 
(e - 1)
C. 9(e - 1)
D. 
e
Evaluate the spherical coordinate integral.
A.
 ? |
B.
?C.
?D.
?Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 15° from its direction of travel. After traveling 3 miles farther, the angle is 21°. At that time, how far is the ship from the lighthouse? If necessary, round to the nearest hundredth of a mile.
A. 7.43 mi B. 2.17 mi C. 3 mi D. 10.29 mi
Solve the problem.A nuclear cooling tower cross section is a hyperbola having a diameter of 56 ft at the center. The distance between the two foci is 100 ft. What is the equation for the hyperbola?
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1