The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question. -If f(x) = 15%, what year is

The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to
answer the question.
-If f(x) = 15%, what year is represented by x?
A) 1985
B) 1990
C) 1980
D) 1995