Given f(x) and g(x) = f(k⋅x), use the graph to determine the value of k.

two lines labeled f of x and g of x. line f of x passes through points negative 6, negative 2 and negative 3, 1. line g of x passes through points negative 2, negative 2 and negative 1, 1.

−3

negative one third

one third

3