homeworkhelp90s
homeworkhelp90s
28-03-2018
Mathematics
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garydesir1
garydesir1
28-03-2018
Hi again!
You need to do the same steps I used for the other one.
x² < 81
Find the critical points of the inequality
x² = 81
Then take square root
x = [tex]\pm \sqrt{81} [/tex]
x = 9 or x = -9
Thus,
The answer is option B 9
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