f(x) - 9x - 3x + x + 8 What is the maximum number of zeros that ((x) 9x 3x + x + 8 can have? (Type a whole number.) How many positive real zeros may the function ((x) Ox -3x + x + 8 have? (Type a whole number. Use a comma to separate answers as needed ] how many negative real zeros may the function ((x) - 9x 3x + x + d have (Type a whole number Use a comma to separate answers as nooded ]