If r(x) equal 3x -1 and s(x) equal 2x + 1 which expression is equivalent to (r/s) {6}

Letter c i’d say

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for