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Math  Calculus
Are endpoints also critical points? I'm trying to find the critical points of a function on the interval [1,5]. So far,the only critical point I have is 2. Does that mean 1 and 5 are also critical points?
asked by Anonymous on March 9, 2017 
calculus
Use a graph of f(x) = 3 e^{8 x^2} to estimate the xvalues of any critical points and inflection points of f(x). critical points x= Inflection points x= Next, use derivatives to find the xvalues of any critical points and
asked by sam on April 3, 2013 
Math  extreme values
Identify the critical points and find the extreme values on the interval [1,5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the
asked by Anonymous on March 9, 2017 
Math
Find all critical points and determine which critical points are extrema by testing intervals. y=2x^4+3x^2 I found the derivative which is: 8x^3+6x
asked by Steffi on December 16, 2015 
math
given tat F(x)=x^3+ax^2+bx has critical points at x=1 and x=5 find a and b and classify the critical points as max, min, or neither.
asked by Krissy on December 15, 2016

Calculus
Given that f(x)=x^3+ax^2+bx has critical points at x=1 and x=5, find a and b and classify the critical points as maxima, minima, or neither.
asked by Krissy on December 15, 2016 
Math
How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2x^4 please help me somebody find the derivative and set it equal to zero
asked by Math on February 21, 2007 
help please!
f(x)=x+1/x Find all critical numbers. Find where the function is increasing and decreasing. Find critical points and identify each as a relative maximum, relative minimum, or neither. Find second order critical numbers and tell
asked by CALCULUS!!! on August 15, 2013 
math
find the domain and all the critical points of the function. a) x(the square root of 94x^2) The domain is x must be less than or equal to positive or negative two but when i go to do the derivative to find the critical points i
asked by Anonymous on November 17, 2010 
math
find the domain and all the critical points of the function. a) x(the square root of (4x^2)) The domain is x must be less than or equal to positive or negative two but when i go to do the derivative to find the critical points i
asked by Anonymous on November 18, 2010 
Math
Consider the function y = 3x5 – 25x3 + 60x + 1. Find the critical points of this function. So I got 1 and 2 as the critical points..but I feel like I did something wrong, is this right?
asked by Sarah on December 9, 2014