Cho hàm số y=f(x) liên tục trên R và có đạo hàm y'(x)=(1-x)^2*(x+1)^3*(3-x). Hàm số y=f(x) đông biến trên khoảng nào dưới đây

idk

step-by-step explanation:

use that smart brain

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

hope this !

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405