Solve the inequality.For the function g(x) = x4 - 81x2, solve g(x) < 0.
A. (-9, 0) ? (9, ?)
B. (-?, -9) ? (9, ?)
C. (-9, 0) ? (0, 9)
D. (-?, -9) ? (0, 9)
Answer: C
Mathematics
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For the points P and Q, find the coordinates of the midpoint of the segment PQ.P(-5, 2), Q(2, 6)
A. (-7, -4)
B. 
C. 
D. (-3, 8)
Mathematics
Divide and simplify.
A. 2
B. 3
C. 
D. 
Mathematics
Find an equation in standard form for the ellipse that satisfies the given conditions.An ellipse with major axis from (-8, 1) to (4, 1); minor axis from 
to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.y = - 
x-2x + 6y = 6
A. 
B. 
C. ?; inconsistent system
D. 
Mathematics