Write the augmented matrix for the system.

A.
B.
C.
D.

Answer: B

Mathematics

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Graph the rational function.y = 

A.

B.

C.

D.

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Solve the problem.Let f(x) = . Find a function y = g(x) so that (f ? g)(x) = .

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

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Solve the system by the substitution method. Be sure to check all proposed solutions.  x + 2y = 146x + 3y = 21

A. {(-7, 0)} B. {(0, 7)} C. {(1, 6)} D. ?

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Determine whether or not the number is written in scientific notation.0.32 × 1011

A. Yes B. No

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