Answer:
Step-by-step explanation:
Let t represent the number of years.
We have been given that When Joseph first starts working at a grocery store, his hourly rate is $10.
For each year he works at the grocery store, his hourly rate increases by $0.50. Increase in hourly rates after t years would be 
The hourly rates after t years will be 10 plus
.
We can represent this information in an equation as:

Therefore, the function
represents Joseph's hourly rates after t years.