Solve the equation on the interval 0 ? ? < 2?.tan2 ? = - 
sec ?
A. 
B. 
C. 
D. 
Answer: D
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A mail truck must deliver packages to 5 different homes (A, B, C, D, and E). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The nearest-neighbor tour starting with vertex A is given by:
A. A, E, C, D, B, A. B. A, B, C, D, E, A. C. A, C, D, B, E, A. D. A, D, B, E, C, A. E. none of these
Solve the system of nonlinear equations using the method of elimination.
A. (4, 1), (4, -3), (3, 1 + 
), (3, 1 - 
)
B. (4, 1), (4, -3), (3, -1 + 
), (3, -1 - 
)
C. (4, -1), (4, 3), (3, 1 + 
), (3, 1 - 
)
D. (4, 1), (4, -3), (-3, 1 + 
), (-3, 1 - 
)
Before the parachute opens, the velocity v (in meters per second) of a skydiver is given by 
, where t is time in seconds into the jump. Find the velocity after 18 seconds. Round to two decimal places.
?
A. 0.97 m/sec B. 48.63 m/sec C. 9.06 m/sec D. 45.88 m/sec E. 1.37 m/sec
Compute the dot product u ? v.u = 
, v = 
A. 7 B. 22 C. -165 D. 37