f(x) = 2x^3 + 3x^2 - 180x - 2
When is the function decreasing?
When is the function increasing?
What is the local maximum of the function?
increasing: (negative infinity,-5), (5,infinity)
local maximum: x=-6, y=754
could you double check where it is increasing? this answer was not correct
increasing: (negative infinity,-6), (5,infinity)
sooo sorry, my careless mistake....
You can get the answer by taking the derivative of the function.
let y'>0, function is increasing at x>5, x<-6
let y'<0, function is decreasing at -6<x<5
let y'=0, we get the critical point, x=5, x=-6.
By looking at the graph, or analyze from the increasing/decreasing of the function above, we get local maximum at x=-6, local minimum at x=5
If you have any other questions let me know. Please add me as a tutor if you want, I would like to talke further with you regarding something..thank you.
Thank you so much. It really helps to have it explained like that. Also, I added you as a tutor.
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