Solution
range
Solution
+1
Solution steps
Rewrite as
Multiply both sides by
The range is the set of y for which the discriminant is greater or equal to zero
Discriminant
Check if the range interval endpoints are included
Excluded
Therefore the range is
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Frequently Asked Questions (FAQ)
What is the range of 9/(x^2) ?
The range of 9/(x^2) is f(x)>0