In the xyplane, line l is perpendicular to the graph of the function f(x) = 5x  2.
Line l could be the graph of which of the following functions? A.) g(x) = 5x B.) g(x) = (1/5)x C.) g(x) = x  2 D.) g(x) = (1/5)x E.) g(x) = 5x 
Algebra House 

In the xyplane, line l is perpendicular to the graph of the function f(x) = 5x  2.
Line l could be the graph of which of the following functions? A.) g(x) = 5x B.) g(x) = (1/5)x C.) g(x) = x  2 D.) g(x) = (1/5)x E.) g(x) = 5x 