Ask a New Question

Question

Find all the intervals on which the function is concave upward: f(x)=4x^2-x/x^4
14 years ago

Answers

bobpursley
f'=8x+4x^4
f"=8+16x^3

so if f">0, then x^3>1/2 and x>cubrt(1/2)
14 years ago

Related Questions

Find intervals on which the following functions are increasing and decreasing. 1. f(x) = sin 2x : x... find the intervals on which the function is increasing, decreasing, or constant. (-7,2)(-6,2)(-5,2... Find any intervals where the function f(x)=−(5x+5sin(x)),0≤x≤2π is increasing/decreasing. Find the intervals on which sinx-root3(cosx) is increasing and decreasing Very urgent Find the intervals on which sinx-(root3)(cosx) is increasing and decreasing Find the intervals in which the graph of tan inverse 1is concave upward and concave downward find the intervals of y=2x^2 - 19x+35 Find the intervals on which f(x) is increasing, decreasing and local extrema for f(x)=x^3+5x+7 How do you find the intervals when finding the average rate of change
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use