Suppose that a is an infinite set, b is a finite set
and
is a function. show that there exists
such that
is infinite.

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!

i'm pretty sure the answer is a. decreases with increase in

5 feet of chain cost $9

so the answer is 1.80