Solution
domain
Solution
+1
Interval Notation
Solution steps
Find undefined (singularity) points:
The function domain
Graph
Popular Examples
domain of f(r)= 2/(r^2+1)domain of f(x)=(2x+1)/(sqrt(5-x))domain of y=(sqrt(4x+3))/(sqrt(2x-1))domain of cos(1/x)domain of f(x)=sqrt((x+1)/(2-x))
Frequently Asked Questions (FAQ)
What is the domain of f(x)=(x-1)/(x^2-81) ?
The domain of f(x)=(x-1)/(x^2-81) is x<-9\lor-9<x<9\lor x>9