Asked by Jet
Given f(x) = cubed root of x^2 (2x+5)^3, find the critical numbers after you identify the domain.
Answers
Answered by
Steve
I assume you mean (∛x^2)(2x+5)^3
∛ has domain all reals
all polynomials have domain all reals.
f' = 2(2x+5)^2(11x+5) / 3∛x
Now we see that f' is undefined for x=0
f'=0 for x = -5/2 and -5/11
∛ has domain all reals
all polynomials have domain all reals.
f' = 2(2x+5)^2(11x+5) / 3∛x
Now we see that f' is undefined for x=0
f'=0 for x = -5/2 and -5/11
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.