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)=3x+1/2 sin(6x)critical f(x)= 1/3 x^3+3/2 x^2-18xcritical y=2x^3+3x^2-36xcritical (-x^2-9)/((x^2-9)^2)critical x^5+5x^4-40x^2

Frequently Asked Questions (FAQ)

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

    The critical f(x)=3x^3-9x is x=-1,x=1