Solution

critical

Solution

Solution steps
Find where is equal to zero or undefined
Identify critical points not in domain
Domain of
is not defined at , therefore:

Graph

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Popular Examples

critical f(x)=(6x)/(x^2+9)critical f(x,y)=y^2-x^2critical ((x^2-4))/((x^2+4))critical 10-x^2y+3xy+xy^2critical f(x,y)=2x+y

Frequently Asked Questions (FAQ)

  • What is the critical f(x)=(x+3)/(x^2) ?

    The critical f(x)=(x+3)/(x^2) is x=-6