1 answer:
Answer:
Step-by-step explanation:
<u>Given inequality:</u>
<u>Solution:</u>
- 6 > 10z - z²
- z² - 10z + 6 > 0
- z² - 10z + 25 > 19
- (z - 5)² > 19
- z - 5 > √19 ⇒ z > 5 + √19 ⇒ z > 9.35
- z - 5 < - √19 ⇒ z < 5 - √19 ⇒ z < 0.64
The only number satisfying this inequality is 0.
Correct choice is A
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