Harmonized Sales Tax (HST)


An example of everyday activity that relates to a function is the Harmonized Sales Tax (HST) which is 13% in Ontario. This is the tax paid by local consumers and businesses for specific goods and services.

The HST is paid by purchasers at the point of sale. The vendor collects the tax by adding the HST rate to the cost of goods and services. Because the HST is 13 percent in Ontario, the function would look like this: Price+ %13 of the price= Payable amount. For example, if the original price before HST would be $150.00, then the HST would be $12.5.00, totaling $169.5 to pay by the consumer. The payable amount can also be shown by this function: Price*1.13= Payable amount. I was already using this calculation but now I understand it is a mathematical function that takes price as the input and gives payable amount as the output. It is a one-to-one function, which is also a linear function or a polynomial function with degree one.

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