A hint to get started
Choose inside or outside intervals for a modulus comparison
Solve (a) and (b) .
CJC · Lecture · Example 8
Mark critical values and decide which are allowed before selecting intervals.
Read the worked solution
A hint to get started
Solve (a) ∣x−3∣<4 and (b) ∣2x+1∣≥4.
CJC · Lecture · Example 8
Mark critical values and decide which are allowed before selecting intervals.