Don't know the zeros/roots/solutions

With this question! what is process of elimination? ? p.s. my brothers acc got banned so add his new one @ yamauchiyamyam17

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62