For the following function, sketch its graph. f(x) = (1/7)|x|

Graph of f(x) = (1/7)|x| showing a V shape with vertex at (0, 7).

Graph of f(x) = (1/7)|x| with vertex at (0, 0) and points (-3, 21) and (3, 21).

Graph of a linear function with vertex at (0, 0) and points (-21, 3) and (21, 3).

Graph of f(x) = (1/7)|x| with vertex at (0, -7) and points (-3, 14) and (3, 14).