Solve the equation.u2 + 16u + 47 = 0
A. -16 + 
B. 8 + 
C. -8 - 
, -8 + 
D. 8 - 
, 8 + 
Answer: C
Mathematics
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Provide an appropriate response.Sketch a graph of f(x) = (x - 4)2 
What will be an ideal response?
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Solve the equation.(
)x + 5 = 9x
A. 
B. 
C. 
D. 
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Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; 
and 
List the members of the indicated set, using set braces.B ? (A ? C)
A. {q, s, y, z} B. {q, w, y} C. {q, s, u, w, y, z} D. {q, r, w, y, z}
Mathematics
Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 3 feet from the base along the axis of symmetry and the opening is 10 feet across, how deep should the searchlight be?
A. 6.3 ft B. 8.3 ft C. 0.5 ft D. 2.1 ft
Mathematics