[A 4] A video game store sells video games for $30 each. The store has a coupon for $9 off the total purchase for up to 10 games. a) Determine the...

I need help with the following question, please also explain how to get the domain and range

4. [A 4] A video game store sells video games for $30 each. The store has a coupon for $9 off the total purchasefor up to 10 games.a) Determine the equation of the function that describes the relationship between the total cost and the numberof video games a customer buys.woled Houldnig ofli noviab) Determine the domain and range of the function.