The graph shows the linear function f(x) = x and four transformations of f(x). Match each transformed graph to one of the transformations in the table.

A.1/3xf(x)
B.2xf(x)
C.f(x)-7
D.f(x)+8

1. k(x) =

2. h(x) =

3. g(x) =

4. j(x) =