7. For each state of an n-channel enhancement-mode MOSFET that follows, determine what operating region the MOSFET is in if the threshold voltage Vt is 3 V. Please indicate ON or

OFF a. Vgs = 2 V, Vds = 5 V b. Vgs = 4 V, Vds = 5 V c. Vgs = 6 V, Vds=5 V d. Vgs = -2.5 V