Write the equation for the plane.The plane through the point A(5, 5, 9) perpendicular to the vector from the origin to A.
A. 5x + 5y + 9z = 131
B. 5x + 5y + 9z = 19
C. 5x + 5y + 9z = 
D. 5x + 5y + 9z = -131
Answer: A
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Graph the function by hand. Then use a graphing calculator to verify your graph. Find the domain and range of the function.f(x) = 8
x
A. domain: all real numbers;
range: y > 0
B. domain: all real numbers;
range: y < 0
C. domain: all real numbers;
range: y < 0
D. domain: all real numbers;
range: y > 0
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x - z = -5y + z = 1x + z = 2
A. {(-5, 1, 0)}
B. 
C. 
D. {(-3, -5, 7)}
Solve the inequality. Graph the solution set and write it in interval notation.42x - 48 > 6(6x - 9)
A. (-?, -1]
B. (-?, -1)
C. (-1, ?)
D. [-1, ?)
Multiply.(10m + 7)2
A. 100m2 + 140m + 49 B. 100m2 + 49 C. 10m2 + 49 D. 10m2 + 140m + 49