Dori and malory are tracking their steps taken as a health goal. dori leaves her house at 12: 00 p. m. and walks at 50 steps per minute. malory leaves her house at 12: 20 p. m. and walks at 90 steps per minute. at what time will malory's steps catch up to dori's steps?

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

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