Solution
critical points 
Solution
Solution steps
Find where  is equal to zero or undefined
Identify critical points not in  domain
Domain of  
All critical points are in domain
Graph
Popular Examples
perpendicular y=3-1/4 xasymptotes of (-4)/(3x-2)+1slope ofintercept-5x+y=-24domain of f(x)= 6/(x^2+16)+6/(x^2-1)critical f(x)=x^3+7x^2-3x+9
Frequently Asked Questions (FAQ)
What is the critical x/(x^2-x+1) ?
The critical x/(x^2-x+1) is x=-1,x=1