Ln(56) = 4x-9
ln(56) + 9 = 4x
(ln(56) + 9)/4 = x
The function is discrete, as the fee is charged based on the hours
Answer:
192 gallons
Step-by-step explanation:
1.6 gallons x by 4 (the amount of times flushed in a day) = 6.4 gallons a day
6.4x30 (days in a month) = 192
192 gallons of water is being flushed a month