Option A is not a function because in the domain of the x its have -1 twice so its not a function
What are the statements you didn't say them ???
1/5 of the tank is filled in 1/4 of a minute.
There are 4 periods of 1/4 minute in a minute, because 4(1/4) = 1.
That means that 4(1/5) = the rate, so the rate is 4/5 of a gallon per minute.
90,000. In 89,891, the 8 farthest to the left is in the place you want to round, and the 9 right next to it tells you the 8 needs to round up