4) The blue graph shifted up 1 unit and left 1 unit
f(x) = log (x + 1) + 1
5) The blue graph shifted down 3 units and reflected over the x-axis
f(x) = -log(x) - 3
6) The blue graph shifted up 5 units and right 5 units
f(x) = log (x - 5) + 5
