Answer:
$5,400
Step-by-step explanation:
Given :
Three roots ,
.
To Find :
A cubic function with the given zeros.
Solution :
Equation of polynomial of 3 zeroes is given by :

Therefore, the cubic function of given zeroes is
.
Hence, this is the required solution.
Then he should sell all of them for 3 dollars and he'll get $450 dollars from all 150 t-shirts