Based on the table, which best predicts the end behavior of the graph of f(x)?

a. as x → ∞, f(x) → ∞, and as x → –∞, f(x) → ∞.
b. as x → ∞, f(x) → ∞, and as x → –∞, f(x) → –∞.
c. as x → ∞, f(x) → –∞, and as x → –∞, f(x) → ∞.
d. as x → ∞, f(x) → –∞, and as x → –∞, f(x) → –∞.