Asked by Shaun
Solev the inequality. Give the solution set in interval form. 32>x^2+4
Answers
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)
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)
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