Solution

critical points

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 ln(9-x^2-9y^2)critical f(x,y)=x^2y+2y^2-2xy+6critical (x^2+x)/(x^2-1)critical f(x)=e^{x^2-7x-1}critical y=-x^4-x^3+x^2+3x+2

Frequently Asked Questions (FAQ)

  • What is the critical f(x)=(x+9)/(x^2) ?

    The critical f(x)=(x+9)/(x^2) is x=-18