Solve the inequality, and graph the solution set.
< 0
A. (-?, -1) or (3, ?)
B. (-?, -1)
C. (3, ?)
D. (-1, 3)
Answer: D
Mathematics
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Solve the inequality. Express your answer using interval notation.|x - 5| - 1 ? 2
A. [2, 8] B. no solution C. (-?, 2) or (8, ?) D. [-2, 2]
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 4x - 12y + 40 = 49
A. (h, k) = (6, -2); r = 7 B. (h, k) = (-2, 6); r = 7 C. (h, k) = (-6, 2); r = 49 D. (h, k) = (2, -6); r = 49
Mathematics
Solve the linear system by using an inverse matrix.
A. {(-1, 3)} B. {(-3, 1)} C. {(1, -3)} D. {(3, -1)}
Mathematics
Find the average rate of change illustrated in the graph.
Usage (in minutes)
A. $2.00 per minute B. $4.00 per minute C. $.25 per minute D. $.50 per minute
Mathematics