Solve the system of equations. x + y + z = 10 x - y + 3z = 43x + y + z = 16
A. {(3, 5, 2)}
B. {(2, 5, 3)}
C. {(2, 3, 5)}
D. {(5, 3, 2)}
Answer: A
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A. n ? 7 B. n ? 4 C. n ? 5 D. n ? 6
Calculate the flow in the field F along the path C.F = y2i + zj + xk; C is the curve r(t) = (2 + 2t)i + 4tj - 2tk , 0 ? t ? 1
A. 
B. 16
C. 48
D. 
Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.After being struck with a hammer, a gong vibrates 66 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 472 vibrations B. 77 vibrations C. 72 vibrations D. 462 vibrations