Be quick! i need this as soon as possible!

Which equation can be simplified to find the inverse of y = 2x2?

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.