A model rocket has upward velocity 
, t seconds after launch. Use a Riemann sum with n = 10 to estimate how high the rocket is 4 seconds after launch.
?
A. 1094.4 feet
B. 921.6 feet
C. 1478.4 feet
D. 1267.2 feet
E. 960 feet
Answer: A
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Solve.Expand 
in a half-range sine series for 
A. 10 
B. 40 
C. 
D. 
A delivery truck must deliver furniture to 4 different locations (A, B, C, and D). 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, B, D, C, A. B. A, C, B, D, A. C. A, D, B, C, A. D. A, D, C, B, A. E. none of these
Find all cube roots of the complex number. Leave answers in trigonometric form.125(cos 255° + i sin 255°)
A. 5 cis 175°, 5 cis 235°, 5 cis 115° B. 5 cis 85°, 5 cis 145°, 5 cis 25° C. 5 cis 85°, 5 cis 205°, 5 cis 205° D. 5 cis 85°, 5 cis 205°, 5 cis 325°
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = 7x2 - 14x + 2
A. f(x) = 7(x + 2)2 + 58 vertex: (-2, 58) B. f(x) = 7(x + 1)2 + 23 vertex: (-1, 23) C. f(x) = 7(x - 1)2 - 5 vertex: (1, -5) D. f(x) = 7(x - 2)2 + 16 vertex: (2, 16)