Asked by lori
find the interval(s) where the following functions are increasing and decreasing.
f(x)= x/4 + 4/x
f(x)= x/4 + 4/x
Answers
Answered by
Reiny
f ' (x) = 1/4 - 4/x^2
= 0 for a turning point (max/min)
1/4 = 4/x^2
x^2 = 16
x = ± 4
make a rough sketch to see that
the curve is increasing for x<-4 OR x>4
the curve is decreasing for -4 < x< 4 , x±0
= 0 for a turning point (max/min)
1/4 = 4/x^2
x^2 = 16
x = ± 4
make a rough sketch to see that
the curve is increasing for x<-4 OR x>4
the curve is decreasing for -4 < x< 4 , x±0
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.