Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4.

A. a – 9 ≥ 4 and a – 9 ≤ –4
B. a – 9 ≤ 4 or a – 9 ≥ –4
C. a – 9 ≤ 4 and a – 9 ≤ –4
D. a – 9 ≤ 4 and a – 9 ≥ –4
@OrangeMaster

Question

Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4.
 
 A.  a – 9 ≥ 4 and a – 9 ≤ –4 
 B.  a – 9 ≤ 4 or a – 9 ≥ –4 
 C.  a – 9 ≤ 4 and a – 9 ≤ –4 
 D.  a – 9 ≤ 4 and a – 9 ≥ –4
@OrangeMaster

anonymous · Answer

@romans10 @Awesome_Naya @queelius @WinryRockbell @Whitemonsterbunny17

anonymous · Answer

Can anyone help quickly?

e.mccormick · Answer

First, what does absolute value mean?  For example, if I just do |x| = 4, what does it mean in words?