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
True for all
Therefore the range is
Graph
Popular Examples
inverse of f(x)=((x+5))/(x+10)domain of f(x)=(sqrt(3-2x))/(x^2-64)intercepts of f(x)=-x^2+4xdomain of f(x)=((x-2))/((x+4))amplitude of cos(x+(3pi)/4)
Frequently Asked Questions (FAQ)
What is the range of (7x-21)/((x-7)(x+1)) ?
The range of (7x-21)/((x-7)(x+1)) is -infinity <f(x)<infinity