Question:

Let g(x, y) = cos(x + 2y). (a) Evaluate g(2, -1). g(2, -1) =

Last updated: 7/27/2022

Let g(x, y) = cos(x + 2y). (a) Evaluate g(2, -1). g(2, -1) =

Let g(x, y) = cos(x + 2y). (a) Evaluate g(2, -1). g(2, -1) = (b) Find the domain of g. -1 ≤ x ≤ 1, -1 2 ≤ y ≤ 1 2 R² -π 2 ≤ x + 2y ≤ π 2 -2 ≤ x ≤ 2, -1 ≤ y ≤ 1 -1 ≤ x + 2y ≤ 1 (c) Find the range of g. (Enter your answer using interval notation.)