Solve the inequality and graph the solution set.
? 20
A. -18 ? x ? 22 ; [-18, 22]
B. x ? -18 ; (-?, -18]
C. x ? -18 or x ? 22 ; (-?, -18] ? [22, ?)
D. x ? 22 ; (-?, 22]
Answer: A
Mathematics
You might also like to view...
Solve the system using matrices. -2x - y - 7z = -33-3x + 3y - 6z = -18 8x - 2y + z = 27
A. (4, 3, 4) B. (4, 4, 3) C. No solution D. (-4, 4, 8)
Mathematics
Solve the problem.Find the center of mass of the hemisphere 
if the density is proportional to the distance from the center.
A. 
B. 
C. 
D. 
Mathematics
Find the period of the trigonometric function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use an indirect proof to complete the following problem.Given: 
(not shown)Prove: 
and 
cannot both be right angles.
What will be an ideal response?
Mathematics