What is the rule for the function that is graphed

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Write the equations in logarithmic form 10^3=1,000