Trevor bought an antique desk. The net value of the desk is equal to the resale value of the desk minus what Trevor paid to buy it. Exponential function f, shown in the table, represents the net value of the antique desk, rounded to the nearest whole dollar, x years after Trevor purchased it. x 0 1 2 3 4 5 f(x) -37 -26 -13 0 15 32 Which statement is true?