Shipping Charges Merchandise weight Shipping
(pounds)
5
10
20
40
charge
$16.94
$21.89
$31.79
$51.59
The table above shows shipping charges for an online
retailer that sells sporting goods. There is a linear
relationship between the shipping charge and the
weight of the merchandise. Which function can be
used to determine the total shipping charge f(x), in
dollars, for an order with a merchandise weight of
x pounds?