Solve. Provide answers in interval notation.
< 6
A. 
B. 
? (3, ?)
C. ?
D. (-?, -3) ? 
Answer: D
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Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.C' ? A'
A. {r, t} B. {q, s, u, v, w, x, y, z} C. {w, y} D. {q, r, s, t, u, v, x, z}
Solve the problem.A railroad tunnel is shaped like a semiellipse. The height of the tunnel at the center is 15 ft and the vertical clearance must be 
at a point 
from the center. Find an equation for the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.An ellipse and a hyperbola; four points
What will be an ideal response?
Evaluate the expression for the given replacement values. Write the answer in simplest form.
for y = 
, x = 
A. 
B. 
C. 
D. 