Find all the zeros of the function f(x)=x^3+15x^2+67x+53

With finding limits of multi variable !

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

What is the measure of angle 1? a.28 b.152 c.168 d.64