Solution

critical

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

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Popular Examples

inflection 2x^4-12x^2parity f(x)=(|x|)/(x^2+1)inverse of f(x)=1+cos(x)domain of-x^4+7x^2-12domain of (2x)/(x-2)

Frequently Asked Questions (FAQ)

  • What is the critical 12x^2-64 ?

    The critical 12x^2-64 is x=0