Question

for each of the pairs of quantities, identify if they are directly, inversely, or not proportional. complete parts (a) through (f). (a) tax ($) charged for buying an item : cost ($) of an item choose the correct answer. not proportional directly proportional inversely proportional

Explanation:

Tax on an item is usually calculated as a percentage of the item's cost (e.g., tax = rate × cost). If the cost of the item increases, the tax (at a constant rate) will increase proportionally. So tax and cost have a direct proportional relationship.

Answer:

B. directly proportional