Find the vector v that has a magnitude of and is in the same direction as u, where 
a. 
b. 
c. 
d. 
e. 
a.
Mathematics
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Solve the problem.Using the following properties of a twice-differentiable function y = f(x), select a possible graph of f.
A. 
B. 
C. 
D. 
Mathematics
Write the mixed number as an improper fraction.-9
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.(x - 3)2 = -8(y + 2)
A. vertex: (-3, 2)
focus: (-3, 0)
directrix: y = 4
B. vertex: (-3, 2)
focus: (-5, 2)
directrix: x = -1
C. vertex: (3, -2)
focus: (3, -4)
directrix: y = 0
D. vertex: (3, -2)
focus: (1, -2)
directrix: x = 5
Mathematics
Find the equation of the parabola with the given properties.Vertex: (-1, 4); horizontal axis of symmetry; containing the point (19, 2)
A. 
(x - 4) =(y + 1)2
B. 
(x + 1) =(y - 4)2
C. 
(y - 4) =(x + 1)2
D. 
(y + 4) =(x - 1)2
Mathematics