F(x) = [[x]], what is f(9)? f(9) = -11 f(9) = -10 f(9) = -9 f(9) = 9 f(9) = 10 f(9) = 11 if you can explain it, that'd be great!

Okay so in this expression, the variable x is set to 9.

Because this expression is just x = x, whatever the value of x is will be the same for both x's.

So, f(9) = 9

pretty sure 750 each month!

step-by-step explanation:

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!