The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.[-1, ?)
A. constant
B. increasing
C. decreasing
Answer: B
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Solve the equation by completing the square.x2 + 8x - 33 = 0
A. {-11, 3}
B. {-11, -22}
C. {-
, 
}
D. {-3, 11}
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 54x - 0.3x2 B. R(x) = 52x + 0.3x2 C. R(x) = 51x - 0.6x2 D. R(x) = 52x - 0.3x2
Use graphical methods to solve the linear programming problem.Maximize z = 2x + 5y subject to: 3x + 2y ? 6 -2x + 4y ? 8 x ? 0 y ? 0
A. Maximum of 
when x = 
and y = 2
B. Maximum of 10 when x = 0 and y = 2
C. Maximum of 
when x = 
and y = 
D. Maximum of 19 when x = 2 and y = 3
Use the addition property of inequality to solve the inequality and graph the solution set on a number line.x + 6 ? -1
A. (-?, -7]
B. (-?, -7)
C. [-7, ?)
D. (-?, 5)