Answer:Gemma has more bottle caps.
Step-by-step explanation:
The range is the y values for the given x-values (domain). Here the graph runs from y = 250 to y = 900. Therefore the range is {y | 250 <= y <= 900}.
First find the unit rate which is 12 dollars per hour than times that with 12 and you will get $144 dollars for 12 hours of work
