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

Popular Examples

domain of f(x)=(x+1)/(sqrt(5x^2-16))domain line (2,0),(3,1)line range of-2/(x+1)+2range domain of f(x)=(sqrt(5-x))domain inflection x^{(4)}-8x^{(3)}inflection points

Frequently Asked Questions (FAQ)

  • What is the critical f(x)=-x^2+2x-5 ?

    The critical f(x)=-x^2+2x-5 is x=1