Ohm's law states that as the resistance in a circuit, (measured in ohms), is increased, the electrical current flowing in the circuit, (measured in amperes, or amps), decreases. In particular, , where here represents a constant voltage value.
a) Is a power function? If yes, identify and . If not, please enter "NONE" in both spaces.

b) If the current flowing in a circuit is 0.018 amps when the resistance is 600 ohms, what is the current when the resistance is 900 ohms?