Which of the following values most closely approximates ? ?
(a) 3 10/71
(b) 3 1/7
(c) 3.15
(d) 3.14
(e) 23/7
(b) 3 1/7
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Sketch the indicated set. Describe the boundary of the set. Finally, state whether the set is open, closed or neither.D = {(x, y) : 2 < 
+ 
< 4}
A. 
The boundary is the square with vertices
(-4, 0), (0, 4), (4, 0), and (0, -4). The interior
is the set of all points in the region inside
the boundary square. The set is open.
B. 
The boundary is the square with vertices
(-2, 0), (0, 2), (2, 0), and (0, -2). The interior
is the set of all points inside the boundary
square. The set is open.
C. 
The boundaries are squares. The first has
vertices (-2, 0), (0, 2), (2, 0), and (0, -2)
and the second has vertices (-4, 0), (0, 4),
(4, 0), and (0, -4). The set is open.
D. 
The boundaries are squares. The first has
vertices (-2, 0), (0, 2), (2, 0), and (0, -2)
and the second has vertices (-4, 0), (0, 4),
(4, 0), and (0, -4). The set is closed.
Estimate the slope of the curve at the indicated point.
A. - 
B. 2
C. 
D. -2
Solve the problem.Imagine a force field in which the force is always parallel to dr. What is special about the work done in moving a particle in such a field?
What will be an ideal response?
Find the missing length to the nearest tenth.
A. c = 8.5 m B. c = 3.3 m C. c = 36.5 m D. c = 73 m