Answer: The vertex is the minimum value
The function is increasing when x<1
The function is decreasing when x>1
The domain of the function is all real numbers
The range of the function is all numbers less than it equal to 0
Step-by-step explanation:
The answer is

steps
#1) Try to leave a by itself by dividing any variable next to it

you can only divided these variables as all these variables in the original equation. are being multiplied. The opposite if multiplication is division.
I think the answer is 400 square centimetres
4 can hold 8 gallons = 8/4 = 2 big bottle per gallons.
For 10 big bottles = 10 x 2 = 20 gallons.
If you are looking for how many bottles can be filled with 10 gallons, the answer is 5.