Evaluate.-11 ? 9

A. -99
B. -199
C. -108
D. -990


Answer: A

Mathematics

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Determine if the series converges or diverges. If the series converges, find its sum.

A. converges;  + 
B. diverges
C. converges;  + 
D. converges;  + 

Mathematics

Solve the problem.If f(x) = x2 - 3, find f(x - 2).

A. x2 + 4 B. x2 - 5 C. x2 - 4x + 4 D. x2 - 4x + 1

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Factor when possible.12y2 + 46y + 40

A. 2(2y + 1)(3y + 20) B. 2(20y + 5)(y + 4) C. 2(2y + 5)(3y + 4) D. Prime

Mathematics

Solve the equation after making an appropriate substitution.x4 - 50x2 + 49 = 0

A. {-49, 49} B. {-1, 1, -7, 7} C. {-50, 50} D. {-7, 7}

Mathematics