Let's manually compute y(n) = 2x(−n + 1) using the given sequence x(n) · {−4, 3, 4, 3, −5, 1, −5, −2, −5, 4, 1}: y(n) = 2x(−n + 1)
y(0) = 2x(−(0) + 1) = 2x(1) = 2 × 4 = 8
y(1) = 2x(−(1) + 1) = 2x(0) = 2 × 3 = 6
y(2) = 2x(−(2) + 1) = 2x(−1) = 2 × 4 = 8
y(3) = 2x(−(3) + 1) = 2x(−2) = 2 × 3 = 6...