Solve the system analytically. +  +  = -  -  - 

/> = -  +  +  = - 



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

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Answer: B

Mathematics

Find the direction angles of each vector. Round to the nearest degree, if necessary.v = -2i + 3j - 4k

A. ? = 119°, ? = 43°, ? = 166° B. ? = 115°, ? = 51°, ? = 147° C. ? = 113°, ? = 55°, ? = 140° D. ? = 112°, ? = 56°, ? = 138°

Provide an appropriate response.In solving for x in the equation ex = 12, the preferred way of solving this equation is to ____________ .

A. use common logarithms B. raise everything to the power of e C. raise everything to the power of 10 D. use natural logarithms

Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = 

A. origin B. y-axis C. x-axis D. x-axis, y-axis, origin E. none

Evaluate the function as indicated.g(x) = log2 xg()

A. -1
B.
C.
D. 2