An online retailer collects 7% sales tax. If the sub total of the purchase is $76.00, then how much is collected for sales tax?
1 answer:
The collected tax on purchase of $76.00 is $5.32
Further explanation:
The sales tax is calculated on the total sales by the formula
Given
Total purchase = $76.00
Percentage of tax = 7%
So,
Putting the values in the formula
So, the collected tax on purchase of $76.00 is $5.32
Keywords: Tax, tax calculation
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. Notice how any point on the V shaped graph has a y coordinate that is either 0 or larger than 0. It is impossible to get a y value that is negative.
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In summary,
Yes it is a function
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Range:
So the answer is choice B
The domain is the set of all real numbers. This is because we can plug in any x value leading to some specific y value. There are no holes or gaps or jumps to indicate we must restrict any given x value. The domain would not be the set of whole numbers only because values between the whole numbers (eg: decimal values like x = 2.75) work just fine.
The range is the set of y values such that y is either 0 or larger than 0. In short, the range is
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In summary,
Yes it is a function
Domain: all real numbers
Range:
So the answer is choice B