Calculus
posted by Laurin .
On what intervals is the function f(x)=x7−7x6 both decreasing and concave up?

I meant to put x^77x^6
Respond to this Question
Similar Questions

calculus
Consider the exponential function . Which of the following best describes the the graph of g? 
Calculus
On what intervals is the function f(x)=x^7−7x^6 both decreasing and concave up? 
calculus
Given f(x)=sin(x)2cos(x) on the interval [0,2pi]. a) Determine where the function is increasing and decreasing. b) Determine where the function is concave up and concave down. ________________________________________ I know: f′(x)=cos(x)+2sin(x) … 
Calculus
Suppose you know that f(x) is an odd functon on the domain of all real numbers and that the function is concave up on the intervals 0 < x < 3 and 5 < x and concave down on the interval 3 < x < 5. List ALL intervals on … 
calculus
Please help me solve. I think increase = concave up and decrease = concave down? 
grade 12 AP calculus
for f(x= 1/4x41/3x3+2x, use analytic method to find the exact intervals on which the function is a)increasing, b)decreasing, c)concave up, d)concave down, then find any e)local extreme values, f)inflection points 
Calculus
THANK YOU TUTORS SO MUCH FOR YOUR HELP Determine the intervals on which the function is concave up or concave down. I finally understand that when f'' is greater than 0 it means concave up. f(X) = 18x^2 + x^4 so I differentiate that … 
Calculus
f(x)=[3x^13]e^(−7x) On which intervals is the function concave up and concave down? 
Calculus
Let f(x)=−x^4−8^x3+5^x+2. Find the open intervals on which f is concave up (down). Then determine the xcoordinates of all inflection points of f. 1. f is concave up on the intervals 2. f is concave down on the intervals … 
calculus
You are given that f(x) =1+ax+ax2 f′(x) =−(x+2)ax3 f′′(x) =(2x+6)ax4 and the constant a>0. Write down all intervals on which the function is increasing, decreasing, concave up or concave down. (Enter using …