If f(x) is an even function, which statement about the graph of f(x) must be true? Ο Ο Ο Ο
It has rotational symmetry about the origin.
It has line symmetry about the line y = x.
It has line symmetry about the y-axis.
O It has line symmetry about the x-axis.

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

36

step-by-step explanation:

need more information

step-by-step explanation:

a 90 degree rotation across the the origin followed by a reflection across the x-axis.

step-by-step explanation: