Which of the following functions best describes this graph? A. y = x2 + 9x+18
B. y = x2 - 5x + 6
C. y = y2 - 9x+18
D. y = x2 + x - 12

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