Find the requested value.f(-9) for f(x) = 
A. 28
B. -26
C. 27
D. -81
Answer: B
Mathematics
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Solve the problem.A bridge is built in the shape of a semielliptical arch. It has a span of 102 feet. The height of the arch 27 feet from the center is to be 11 feet. Find the height of the arch at its center.
A. 20.78 ft B. 27.65 ft C. 11.41 ft D. 12.97 ft
Mathematics
In a 45°–45° triangle, the hypotenuse is always this multiple of the leg lengths.
(a) 2 (b) 2?2 (c) ?2 (d) ?2/2
Mathematics
Find the phase shift.y = -5 cos(4x + ?)
A. 4? units to the right
B. 
units to the left
C. 5? units to the right
D. 
units to the left
Mathematics
Find the midpoint of the segment with the given endpoints.(1.8, -4.4) and (6.7, 3.3)
A. 
B. 
C. 
D. 
Mathematics