Decide whether or not the set is closed under addition.{2, 4, 6, 8, . . .}

A. Closed
B. Not closed

Answer: A

Mathematics

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Simplify.21 ÷  - 6 ÷ 

A. 5
B. 1
C.
D.

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Mathematics

Provide the requested response.Suppose that a polynomial function of degree 4 with rational coefficients has as zeros. Find the other zeros.

A. 2 - i , 4 + 
B. 2 - i , -4 + 
C. -2i, -4 + 
D. -2i, 4 + 

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Mathematics

Divide using synthetic division.

A. 3x4 + 12x3 + 7x2 - x + 5 + 
B. 3x4 + 12x3 + 7x2 - x + 5
C. 3x4 - 12x3 + 7x2 + x + 5
D. 3x4 - 12x3 + 7x2 + x + 5 + 

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Mathematics

Determine whether the given value is a solution to the given equation.v = -6; 6 + v = 0

A. solution B. not a solution

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Mathematics