Posted by lisa on .
find the smallest and largest values of the function f(x)=(x+1)∛x² on the interval [4/5;3]

mathematics 
TutorCat,
http://tutorial.math.lamar.edu/Classes/CalcI/AbsExtrema.aspx
Find the critical points by f'(x)=0
Evaluate the function at the critical points and end points of the interval (i.e. 4/5 and 3).