Solve the absolute value equation.
= |5x + 4|
A. x = - 
, 0
B. no solution
C. x = - 
, - 
D. x = 
, 
Answer: C
Mathematics
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Determine the limit by sketching an appropriate graph.
f(x), where f(x) = 
A. 18 B. 16 C. 14 D. 0
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Write a matrix equation equivalent to the system of equations. 9x - 7y = 9-4x - 5y = 4
A. 
= 
B. 
=
C.
  = |
D.
=
Mathematics
Multiply.(x2 - 4)2
A. x4 + 16 B. x4 - 4x + 16 C. x4 - 8x2 + 16 D. x4 - 4x2 + 16
Mathematics
Determine where the given function is concave up and where it is concave down. f(x) = (x - 2)1/3 - 7
A. Concave down on (-?, 2) and (2, ?) B. Concave down on (-?, 2), concave up on (2, ?) C. Concave up on (-?, 2), concave down on (2, ?) D. Concave up on (-?, ?)
Mathematics