find critical number

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November 9th 2008, 11:02 AM
sdaniels229

find critical number

g(x)=x^4-81
November 9th 2008, 11:06 AM
kathrynmath

Quote:

Originally Posted by sdaniels229

g(x)=x^4-81

$0=x^4-81$
Just solve for x.

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