Part A

Describe a relationship modeled by the function f(x) = 4x3 − 72x2 + 320x, and explain how the function models the relationship.

Part B
Identify and interpret the key features of the function in the context of the situation described in part A.

468

step-by-step explanation:

my guess is

step-by-step explanation:

where is the gragh

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)