Determine if the given ordered triple is a solution of the system.3x + 3y + z = -145x - 4y - z = -83x + y + 4z = -7(-3, -2, 1)
A. No
B. Yes
Answer: B
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Find the LCD of the pair of fractions. Then build up each fraction to have that common denominator. and
A. LCD is 75, and
B. LCD is 375, and
C. LCD is 75, and
D. LCD is 375, and
Minimize the objective function C, subject to the given constraints. x ? 0, y ? 0
,
A. C = 0 B. C = 45 C. C = 18 D. C = 27
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3 - 4-x; relative to f(x) = 4x
A. Reflected across y-axis;
reflected across x-axis;
moved down 3 unit(s)
B. Moved up 3 unit(s);
reflected across, y-axis;
reflected across x-axis;
C. Reflected across y-axis;
reflected across x-axis;
moved up 3 unit(s)
D. Moved up 3 unit(s);
reflected across, y-axis;
reflected across x-axis;
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable. 9x - 6y - 8z = 5 2x + 8y + 5z = -1 18x - 12y - 16z = -9
A. {(2, 2, -1)}
B. ?
C. {(5, -1, -9)}
D.