Hockey Gear The South Coast College hockey team wants to purchase wool hat...

Hockey Gear The South Coast College hockey team wants to purchase wool hats for its road trip to Alaska. The cost per hat depends on the number of hats the team orders as shown in the following table:

a. Which of the following functions best models the data?

(A) A(x) = 0.05x + 20.75

b. Graph the model you chose in part (a) with 5 ≤ x ≤ 30. Use your graph to estimate the lowest cost per hat and the number of hats the team should order to obtain the lowest price per hat.