Find the Inverse of the Function

y= 10x^2 - 4

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Having a hard time understanding this question (see attachment).

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?