Atank with some water in it begins to drain. the function v ( t ) = 46 − 1.5 t determines the volume of the water in the tank (in gallons) given a number of minutes t since the water began draining. what is the vertical intercept of f ? what does your answer to part (a) represent? select all that apply. how many minutes it takes for all of the water to drain from the tank. the number of gallons of water in the tank when it starts draining. the weight of the tank when it is empty. list all horizontal intercepts (or "roots") of f . what does your answer to part (b) represent? select all that apply. the weight of the tank when it is empty. how many minutes it takes for all of the water to drain from the tank. the number of gallons of water in the tank when it starts draining.