Find the vertex of the parabola by completing the square.y = x2 - 3x - 9
A. (-1.5, -11.25)
B. (1.5, -11.25)
C. (1.5, 6.75)
D. (-1.5, -9.25)
Answer: B
Mathematics
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Find the area of the shaded region.
A. 
B. 8
C. 4 + 
D. 4
Mathematics
Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (1 + 5t)i + (1 + 8t)j + (4 - 4t)k
A. 4
t
B. 
t
C. 
t
D. 
t
Mathematics
For the pair of functions f and g, find all values of a for which f(a) = g(a).f(x) = 
,g(x) = 
A. -1, 4 B. -9, 12 C. 108, -1 D. 4, 103
Mathematics
Graph the equation by plotting points.y = 
A. 
B. 
C. 
D. 
Mathematics