Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x4 - 9

A. , -, 3i, -3i
B. , -i, i, -
C. , -
D. , i

Answer: B

Mathematics

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Evaluate the determinant by expansion by minors.

A. 28 B. 37 C. 31 D. 11

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Evaluate the definite integral.

A. ln 
B.
C. ln 2
D. ln 

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Mark the indicated points.-, 4, , -5

A.

B.

C.

D.

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Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = x +  and g(x) = x - , find (f ? g)(x).

A. (f ? g)(x) = x2 + 5
B. (f ? g)(x) = x2 - 2x - 5
C. (f ? g)(x) = x2 - 5
D. (f ? g)(x) = x2 - 2x + 5

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Mathematics