Yahoo Answers: Answers and Comments for Find the critical numbers, if any, of the function. Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.? [Mathematics]
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From Taylor
enUS
Fri, 22 Mar 2019 00:28:32 +0000
3
Yahoo Answers: Answers and Comments for Find the critical numbers, if any, of the function. Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.? [Mathematics]
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https://answers.yahoo.com/question/index?qid=20190322002832AAiW7J1
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From david: f(x) = x / x^2 − 16
I will guess that you real...
https://answers.yahoo.com/question/index?qid=20190322002832AAiW7J1
https://answers.yahoo.com/question/index?qid=20190322002832AAiW7J1
Fri, 22 Mar 2019 00:35:32 +0000
f(x) = x / x^2 − 16
I will guess that you really meant
f(x) = x / (x^2 − 16)
f' = [(x^2 − 16)  x(2x)] / (x^2 − 16)^2 = 0
(x^2 − 16)  x(2x) = 0 .. x not 4 or 4
x^2  16 = 0
x^2 + 16 = 0 <<< no real solutions
DNE