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 sin(arccos(x))domain line (-8,5),(17,8)line extreme f(x)=2x^2-7x+4extreme points inflection f(x)=x^4-6x^3inflection points periodicity of f(x)=sec(3x)periodicity

Frequently Asked Questions (FAQ)

  • What is the critical f(x)=(8-4x)e^x ?

    The critical f(x)=(8-4x)e^x is x=1