Use the Gauss-Jordan method to find A-1, if it exists.A = 

A.

B.

C.

D. Does not exist

Answer: B

Mathematics

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Graph the fraction on a number line.

A.

B.

C.

D.

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Solve the problem.In a 2-card hand, what is the probability of holding at least 1 ace?

A. 0.0045 B. 0.1522 C. 0.1448 D. 0.1493

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Graph the solution of the rational inequalities on a number line and write the solution in interval notation;. > 0

A.

B. (-?, 0)

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