Which of the following rational functions is graphed below?

A.

Step-by-step explanation:

A rational-polynomic function is a function of the form:

(1)

There are three important remarks on this kind of function:

1)   when function passes through the x-axis.

2) If , then the function has a vertical asymptote.

3) The horizontal asymptote is a linear function of the form .

In accordance with the graph, the function has two vertical asymptotes at and , numerator becomes zero for and horizontal asymptote is as grade of numerator is less than grade of denominator.

Hence, we conclude that rational function is . (Correct A)

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