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Asked by Shaun

Solev the inequality. Give the solution set in interval form. 32>x^2+4
3 years ago

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Answered by oobleck
x^2+4 < 32
x^2-28 < 0
Now use what you know about parabolas. Since this one opens up, y will be negative between the roots. So,
x is in (-√28,√28)
3 years ago

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