The sales tax in one state is 5%. Write a function rule for finding the total cost of an item with selling price x. The
f(x) =5+ in $111.05
f(x) = 1.05x ,S115.50
f(x) = x - 5, 108.95
f(x) =0.05x 5.50
f(x) =5+ in $111.05
f(x) = 1.05x ,S115.50
f(x) = x - 5, 108.95
f(x) =0.05x 5.50