What is the correct answer and why?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Which system of linear inequalities is represented by the graph?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons