The equation P = 31 + 1.75 w models the relation between the amount of Tuyet's monthly water bill payment, P , in dollars, and the number of units of water, w , used. Interpret the P -intercept of the equation. Select the correct answer below: The P -intercept, 1.75 , means that Tuyet's monthly water bill payment would be 1.75 dollars if he used no water. The P -intercept, 31 , means that Tuyet's monthly water bill payment would be 31 dollars if he used no water. The P -intercept, 31 , means that Tuyet's monthly water bill payment would be 31 dollars if he used 31 units of water. The P -intercept, 1.75 , means that Tuyet's monthly water bill payment would be 1.75 dollars if he used 1.75 units of water