Question 466266: This is a two part question; I have an idea on the second part which is graphing the equation but this first part I cannot solve.
Media services charges $40 for a phone and $20/month for its econonmy plan.
The equation c=20t + 40 describes the total cost, C of operating a Media Service phone for T months.
The total cost for 8 months of service is $?
My question is will I have to plug in the 8 were the t is like this:
c=20(8) + 40 Answer by solver91311(16897) (Show Source):