Find the sum of the sequence.

A. 54
B. 108
C. 36
D. 72

Answer: B

Mathematics

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Write the contrapositive of the statement. Then use the contrapositive to determine whether to conditional statement is true or false.If  is not an integer, then n is not an integer.

A. If n is an integer, then  is an integer. false
B. If  is an integer, then n is an integer. false
C. If  is an integer, then n is an integer. true
D. If n is an integer, then  is an integer. true

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Mathematics

Find the specified domain.For f(x) = 2x - 5 and g(x) = , what is the domain of f + g?

A. (-7, 7) B. [7, ?) C. [0, ?) D. [-7, ?)

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Mathematics

Using synthetic division, determine whether the numbers are zeros of the polynomial.4, ; f(x) = x3 - x2 + x - 2

A. Yes; yes B. Yes; no C. No; yes D. No; no

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Mathematics

Evaluate.

A. 1 B. -1 C. i D. -i

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Mathematics