the answers are written below. I would like to have the step by step solution so that I can practice and understand it.

This review package is to be done independently. Analysis of Functions: 1. Find the intervals of increase and decrease and the coordinates of the points of extrema: a) f (x) - x+ b) / (x) = (x2 -1)(2+1) Check using desmay 2. Find the maximum and minimum value of the function on the given intervals: 1 ( x ) - 3 ist, xe [ 1. 6 ] Min f (4 ) = 1 max fc.1 - 2. 125 I 3. Find the intervals of upward and downward concavities and coordinates of the points of inflections: f(x) =3x4-4x3 +1 . inflection at the and 3 Concave up : (- 20, 0 ) and ( 3 2 , 0 ) Concave down : (0, 32) MacBook Pro