Question

Taylor buys bottles of nail polish that cost $3. 95 each. She has a maximum of $30 to spend on nail polish purchases. The total cost, with respect to bottles purchased, can be modeled by a function. Which statement correctly defines the domain of the function?.

Answer 1

The domain of the function will be C. The domain is the set of while numbers  greater than or equal to 0 and less than or equal to 7.

Let x = the number of nail polishes that are bought.

Since Taylor buys bottles of nail polish that cost $3. 95 each and she has a maximum of $30 to spend, the number of nail polishes that'll be bought will be:

= 30/3.95.

x = 7.60

In conclusion, the domain is the set of while numbers  greater than or equal to 0 and less than or equal to 7.

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