Math
posted by 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
Respond to this Question
Similar Questions

Calculus
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Would this be a good explanation? 
Calculus
How many critical points does the function f(x) = [(x2)^5][(x+3)^4] have? 
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 always … 
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 always … 
Calculus
Given the function: f(x) = x^2 + 1 / x^2  9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection … 
Calculus
Given the function: f(x) = x^2 + 1 / x^2  9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection … 
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 where … 
calculus
One litre of water at 0 degrees Celsius will have a different volume at higher temperatures. For a temperature 0 ≤ T ≤ 30 (in Celsius) this volume (in litres) is well approximated by the function V = −aT 3 + bT 2 − cT + 1 using … 
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 critical … 
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?