A function k whose domain is the set of positive integers is defined as k(1)=4 and k(n)=k(n−1)−2. Function k was evaluated for several numbers. Which of the following are true? Select each correct answer. k(-1)- -4
k(0)= -2
k(2)= 2
k(3)=0
k(6)=3

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Which of the following is not a subset of {1,2,3}?