Sales tax is calculated as a percentage of the sales price. If sales tax is 7%, what is the sales tax on clothing that costs $15
2 answers:
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Answer: Option B
Step-by-step explanation:
By definition, only those functions that are one to one have an inverse function.
A function is one by one if there are not two different input values, and
, that have the same output value y
Note that the function is not a one-to-one function
When x=2
When x=8
Note that the function is not a one-to-one function
When x=1
When x=-1
Note that the function is not a one-to-one function
When x=1
When x=-1
Then the answer is the option B.
You can verify that The function is a one-to-one function and therefore its inverse is a function