Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.
? 
+ 1
A. x ? 4; (-?, 4]
B. x ? 4; [4, ?)
C. x > 4; (4, ?)
D. x ? -4; [-4, ?)
Answer: B
Mathematics
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Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -4 - 4w, y = 1 - w, z = 3 + w, where w is any real number B. x = -8, y = 0, z = 4, w = 1; (-8, 0, 4, 1) C. inconsistent D. x = -4, y = 1, z = 3, w = 0; (-4, 1, 3, 0)
Mathematics
Identify the matrix as a regular stochastic matrix, absorbing stochastic matrix, or neither.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the distance between two points.(2, –3) and (8, 5)
A. 10 B. 15 C. 13 D. 7 E. 12
Mathematics
Add.
A. 4,464,599 B. 4,365,599 C. 4,455,599 D. 4,465,599
Mathematics