From the Graph Below Plotting Data That Was Collected Under

From the graph below plotting data that was collected under steady state conditions,velocity on the y-axis in units of μM/s and substrate concentration of the x-axis in units of μM,what is the K_M?

A) 0) 24 μM/s
B) 18 μM
C) 0) 2 μM
D) 0) 24 μM
E) 0) 12 μM/s