Solution

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

critical f(x)=x^2-24x+6critical f(x)=In(xsqrt(x^2-1))critical 4x+sin(4x)critical f(x,y)=2x^2-xy-3y^2-3x+7ycritical y=3x^4+4x^3+x

Frequently Asked Questions (FAQ)

  • What is the critical f(x)=-4x^3+9x^2-4x ?

    The critical f(x)=-4x^3+9x^2-4x is x=(9-sqrt(33))/(12),x=(9+sqrt(33))/(12)