Media services charges $40 for a phone and $30/month for its economy plan. Find a model that determines the total cost, C(t), of operating a Media Services phone for t months C(t)= Use the model to find the total cost for 10 months of service total cost=$

answer>> c(t)= 40 + 30*t where is month

so for 10 months c(t)= 40+ 30*10= $340