F(x) = 3x + 1; g(x) = 5x - 1 find f/g. (f/g)(x) = quantity five x minus one divided by three x plus one.; domain {x|x ≠ - one over three. } (f/g)(x) = quantity three x plus one divided by five x minus one; domain {x|x ≠ - one over three. } (f/g)(x) = quantity five x minus one divided by three x plus one.; domain {x|x ≠ one over five. } (f/g)(x) = quantity three x plus one divided by five x minus one.; domain {x|x ≠ one over five. }