Pls help will mark brainliest

Step-by-step explanation:

The parent function, , has a domain of or , because the value under the radical cannot be less than 0 (we cannot take the square root of a negative number). Thus, by setting everything inside the radical to 0, we can find the domain of this function:

Thus this domain of this function is:

As an inequality: (desired in problem)

In interval notation:

your answer would be 12

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!