11. A set of weights includes a 5 lb bar and 8 pairs of weight plates. Each pair of plates weighs 10 lbs. If x
pairs of plates are added to the bar, the total weight of the bar and plates and plates in pounds can be represented
by f(x) = 10x + 5.
What does x represent in this situation?
What does f (x) (remember f(x) = y) represent in this situation?
What is a reasonable domain and range for this situation?
D:
R: