Suppose f(x, y) = 1² + y² + ²y + 4 and D = {(1, y) : |1| ≤ 1, ly| ≤ 1}. Answer the following. 1. Find the absolute maximum of f(x, y) on the region D. Answer: 2. Find the absolute minimum of f(x, y) on the region D. Answer: I