How do I find the range and domain of f(x)=x^2+2 ?

In what form is the following linear equation written y=9x+2

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?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i