3. consider the iterative rules you wrote in problem 2.

(a) explain why the rules are functions.

(b) your friend says that because the rules are functions, they can be graphed and must have y-intercepts.
how would you respond to your friend’s comment?

(c) your friend uses your rules to determine the outputs when the inputs are 18.5.
explain why her outputs are meaningless in this situation. what would you tell her about the inputs she can use?

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was