Solve the inequality.x4 - 12x2 - 64 > 0
A. (-4, -2) or (2, 4)
B. (-4, 4)
C. (-?, -4) or (-2, 2) or (4, ?)
D. (-?, -4) or (4, ?)
Answer: D
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For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 
Find (f ? g)(x).
A. 
B. 
C. 
D. 
Solve the problem.BT&T charges $0.39 for the first minute and $0.20 for each additional minute for a long-distance call. How much will a 5 minute long-distance call cost?
A. $0.01 B. $1.95 C. $1.00 D. $1.19
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Indicate whether the Additive Inverse, Additive Identity, Commutative, or Associative property of addition is illustrated in the problem.(9.4 + 7.55) + 7.72 = 9.4 + (7.55 + 7.72)
A. Additive identity B. Commutative property of addition C. Additive inverse D. Associative property of addition