David performed the following mathematical operation: 3x + 4／x-1 √3x² ₊ x - 4 He was left with a remainder of zero. Which of the following statements must be true? a. -1 must be a root of the polynomial 3x + 4／x-1 √3x² ₊ x – 4 b. 0 must be a root of the polynomial 3x + 4／x-1 √3x² ₊ x – 4 c. -3/4 must be a root of the polynomial 3x + 4／x-1 √3x² ₊ x – 4 d. 1 must be a root of polynomial 3x + 4／x-1 √3x² ₊ x - 4
