It speaks to the dramatic social, political and technological changes of the last 50 years, and it questions many of society's values and assumptions—a tendency of postmodernism, a concept sometimes used to describe contemporary art. What makes today's art especially challenging is that, like the world around us, it has become more diverse and cannot be easily defined through a list of visual characteristics, artistic themes or cultural concerns.
Answer:
I think the answer is impasto
Explanation:
Impasto is basically an area of thick painting/texture on a painting, and Van Gough's painting has a lot of varying texture to it.
F(x)=2.5(1.2)^x-1 is your answer
