What is the domain and range to this problem?

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Ineed the solution to this problem and the steps.