When purchasing a car, a buyer will often trade in his current car. Sales tax is figured new car. This sales tax can be calculated using a function. If the sales tax is 7% and a
to correctly calculate the sales tax as a function of the cost of the car (x).
o f(x) = 0.07x – 2000
o f(x) = 0.07 (2 – 2000)
o f(x) = 0.07 (2000 - 2)
O f(x) = 2 – 0.07 (2000)