Answer:
The solutions are:

Step-by-step explanation:
To find the solutions to the equation
you need to:
- Factor

Break the expression into groups

Factor out
from 

Factor out 3 from 


- Factor


Therefore

Using the Zero Factor Theorem:
Answer:
Tammy's total pay for the week is $588
Step-by-step explanation:
We are given the following in the question:
Tammy's salary = $300 every week
Percentage of commission on sales = 9%
Total sale during week = $3200
Commission earned =

Thus, Tammy's week salary =
Weekly salary + Commission on sales
=
Thus, Tammy's total pay for the week is $588 if she sold $3200 worth of products.
Answer:
The period is
and the amplitude is 3.
Step-by-step explanation:
The period goes from one peak to the next (or from any point to the next matching point). The amplitude is the height from the center line to the peak.
The period of the function
is
and the amplitude is 
Consider the function 
The period for the function
is

and the amplitude is 3.