[-1, 7]
1. Determine critical pöints:
2. Determine three intervals:
a. x < -1
b. x > 7
c. -1 < x < 7
3. Test each interval:
4. Solution set in Interval Notation:
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Answers & Comments
Solution set in Interval Notation:
[-1, 7]
Solution:
1. Determine critical pöints:
2. Determine three intervals:
a. x < -1
b. x > 7
c. -1 < x < 7
3. Test each interval:
4. Solution set in Interval Notation:
[-1, 7]