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Given:
The inequality is

To find:
The solution set for the given inequality.
Solution:
We have,



Divide both sides by 3.

It can be written as

Subtracting 4 from each side, we get


The solution set of the given inequality is (-5,-3).
Therefore, the correct option is A.
Answer:
Step-by-step explanation:
Pythagorean theorem,
hypotenuse²= base² + altitude²
base² = hypotenuse² - altitude²
x² = 14² - 9²
= 196 - 81
= 115
x = √115
x = 10.72