The following table gives the information about the postal charges for the weights of the printed matter.

From the table we have the following.

The postal charges for the printed matter of weights between 1.5 pounds and 2 pounds, including 1.5 and 2 pounds is 1.97$.

The postal charges for the printed matter of weights between 2 pounds and 3 pounds, including 3 pound is 2.04$.

The postal charges for the printed matter of weights between 3 pounds and 4 pounds, including 4 pound is 2.14$.

The postal charges for the printed matter of weights between 4 pounds and 5 pounds, including 5 pound is 2.34$.

Let x be the weight of the printed matter in pounds then the functionpostal charges for the corresponding weights.