Which of these is a geometric sequence? O A. 3, -15, -33, -51, -69, ...
O B. 2, 3, 5, 9, 17, ...
O C. 1,5, 9, 13, ...
O D. 1/4, 1/2, 1, 2, 4

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

a

step-by-step explanation:

the answer is -6

step-by-step explanation:

the answer is -6 because its next to the variable m