Determine the sales tax on a purchase in eastchester


The sales tax (t) on a purchase is a function of the amount (a) of the purchase. the sales tax rate in the city of Eastchester is 8%

a) write a rule in function notation that can be used to determine the sales tax on a purchase in Eastchester.

b)what is a reasonable domain for this function?

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Mathematics: Determine the sales tax on a purchase in eastchester
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