Find the solution set of the linear system. Identify inconsistent systems and dependent equations. For dependent equations, write your answer as an ordered triple in terms of z.

A. {(-5, 2, -1)}
B. {(-1, 2, -5)}
C. {(2, -5, -1)}
D. {(-5, -1, 2)}


Answer: A

Mathematics

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Simplify. Your answer should be in lowest terms. -  

A.
B.
C.
D.

Mathematics

The function f is one-to-one. Find its inverse.f(x) = 

A. f-1(x) = (x - 7)2
B. f-1(x) = x2 - 7, x ? 0
C. f-1(x) = x2 + 7, x ? 0

D. f-1(x) = 

Mathematics

Approximate f(x) to four decimal places.f(x) = e-x, x = 1.6

A. 0.5886 B. 4.9530 C. 0.2019 D. 4.3493

Mathematics

Write an equivalent expression using negative exponents. Then simplify, if possible. -3

A.  
B.  
C. 64a3 
D.

Mathematics