Solution
range
Solution
+1
Interval Notation
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
Included
Therefore the range is
Graph
Popular Examples
extreme f(x)=5x^2+8x-8extreme points domain of f(x)=(2x)/(sqrt(3x^2-5))domain inverse of ln(4-x)inverse inverse of f(x)=-e^{8-x}inverse range of f(x)=(x+4)/(24-sqrt(x^2-49))range
Frequently Asked Questions (FAQ)
What is the range of 2/(x^2+2) ?
The range of 2/(x^2+2) is 0<f(x)<= 1