Peter played his favorite video game for 10 hours last week. today, peters parents restricted him to 5 additional hours each week for the next 8 weeks. create the function f(x) that models peters total video game time and explain what each number in the situation represents graphically, using complete sentances

f(x) is the function that models Peters total video game time. 
Peter played his favorite video game for 10 hours last week.
Peters parents restricted him to 5 additional hours each week for the next 8 weeks.
After 8 weeks Peter will have played f(x) hours video game.
f(x)=10+8*x , where x is the number of hours Peter plays every week and this number is smaller than 5 (his parents restricted this number) , x<5