Is this relation a function? and would you explain how you got the answer, because i am stumped.
domain. range
2. 6
5. 7
6. 9
6. 10

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?