Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-3, 0); Decreasing on (-5, -3) and (2, 5); Constant on (0, 2)
B. Increasing on (-3, -1); Decreasing on (-5, -2) and (2, 4); Constant on (-1, 2)
C. Increasing on (-3, 1); Decreasing on (-5, -3) and (0, 5); Constant on (1, 2)
D. Increasing on (-5, -3) and (2, 5); Decreasing on (-3, 0); Constant on (0, 2)
Answer: A
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A. 839 R28 B. 951 C. 826 R928 D. 826
Rewrite the quadratic function in standard form by completing the square.f(x) = x2 + 20x + 109
A. f(x) = (x - 10)2 + 9 B. f(x) = (x - 10)2 - 9 C. f(x) = (x + 10)2 + 9 D. f(x) = (x + 10)2 - 9
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Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 