Solve the equation.x4 + 1 = 2x2

A. -1
B. -1, 1
C. 1
D. -1, 0, 1

Answer: B

Mathematics

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A. 11
B. -2
C. -11
D.

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Decide whether or not matrix A and matrix B are inverses.A =  and B = 

A. Yes B. No

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Find the domain of the rational expression.

A. {x|x is a real number and x ? 7} B. {x|x is a real number} C. {x|x is a real number and x ? 3} D. {x|x is a real number and x ? 3 and x ? 7}

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Perform the indicated operation(s). Simplify if possible. - 

A. x + 12
B.
C.
D. x - 2

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