A school system is reducing the amount of dumpster loads of trash removed each week in week five there worked 45 dumpster loads of waste removal and we turned over 30 dumpster loads removed assume that the reduction in the amount of which each week is linear right in equation in function form to show the amount of trash removed each week. A) f(x)=-3x+45. B) f(x)=3x +45. C) f(x)=-3x+60. D) f(x)= 3x +60