Rewrite the inequality using interval notation. Then graph the inequality.x < 2 or x < 5
A. (-?, 2) ? (5, ?)
B. (2, ?)
C. (-?, 5)
D. (2, 5)
Answer: C
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Find the least common denominator for the set of fractions.
, 
, 
A. 24 B. 384 C. 48 D. 16
Solve the problem.If f(?) = cot ? and f(a) = -3, find the exact value of f(a) + f(a + ?) + f(a + 3?).
A. -9 B. -3 C. -9 + 4? D. undefined
Use the simplex method to solve the linear programming problem.Maximizez = x1 + 3x2 + x3 + 2x4subject to:2x1 + x2 + 5x3 + 6x4 ? 25 5x1 + 3x2 + 4x3 + x4 ? 60withx1 ? 0, x2 ? 0, x3 ? 0, x4 ? 0
A. Maximum is 50 when x1 = 0, x2 = 0, x3 = 0, x4 = 25 B. Maximum is 36 when x1 = 0, x2 = 10, x3 = 0, x4 = 3 C. Maximum is 60 when x1 = 0, x2 = 20, x3 = 0, x4 = 0 D. Maximum is 75 when x1 = 0, x2 = 25, x3 = 0, x4 = 0
Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.2 ? 3x - 4 ? 17
A. [-7, -2]
B. (2, 7)
C. (-7, -2)
D. [2, 7]