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

A.

B.

C.

D. Does not exist

Answer: A

Mathematics

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Find the domain of the function. Write the domain using interval notation.f(x) = 

A. (-?, -9) ? (-9, ?) B. (-?, -5) ? (-5, 5) ? (5, ?) C. (-?, 0) ? (0, ?) D. (-?, 9) ? (9, ?)

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Mathematics

Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.

A. 3y2 + 6 ln  + ln  + C
B. 3y2 + ln  + ln  + C
C. 3y2 + ln  + (2y + 1) ln  + C
D. 3y2 - ln  + 6 ln  + C

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Mathematics

Solve the application using the percent equation. Answer with a complete sentence.In a clinical study, 15 of the 300 subjects receiving a migraine medication developed side effects. What percentage developed side effects?

A. 5% developed side effects. B. 15% developed side effects. C. 4% developed side effects. D. 7% developed side effects.

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Mathematics

Add. + 0 + 809 + -5246

A. 4513
B. 5979
C.
D.

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Mathematics