Solve the problem.Find the velocity function v(t) if s(t) = 3t3 + 3t2 + 9t - 5.
A. v(t) = 18t2 + 6
B. v(t) = 9t2 + 9t + 6
C. v(t) = 9t2 + 6t + 9
D. v(t) = 18t2 + 9t
Answer: C
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Graph the set of points whose polar coordinates satisfy the given equation or inequality.2 ? r ? 5
A. 
B. 
C. 
D. 
Solve the problem.Find the work done by a force of 16i (newtons) in moving as object along a line from the origin to the point 
(distance in meters).
A. 16
joules
B. 160
joules
C. 160 joules
D. 113.1 joules
Identify the type of graph.(x + 4)2 + (y - 2)2 + 12 = 0
A. The graph is a circle with center (-4, 2). B. The graph is the point (-4, 2). C. The graph is an ellipse with center (4, -2). D. The equation has no graph.
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies jointly with x and z. When y = 54, x = 27 and z = 18.
A. k = 
; y = 
B. k = 
; y = 
xz
C. k = 
; y = 
xz
D. k = 
; y = 