xavierfox1491 xavierfox1491 04-01-2024 Mathematics contestada Use linear approximation to estimate the change, Δz, in z = 4x² y² as (x, y) changes from (3, 4) to (3.03, 4.06). a) Δz ≈ 8.14 b) Δz ≈ 8.68 c) Δz ≈ 9.02 d) Δz ≈ 9.56