Question 982160
total cost = (price) + (5% of price)
f(x) = x + 0.05x
f(x) = 1.05x


So the function is f(x) = 1.05x


Plug in x = 110 to get


f(x) = 1.05x
f(110) = 1.05*110
f(110) = 115.50


The item costs $115.50 (after tax is added on)