Find ∂h/∂x and ∂h/∂y for h(x, y) = 2x + 3y^2 - 6. Identify the set of points at which h is continuous. Option 1: ∂h/∂x = 2, ∂h/∂y = 6y; Continuous everywhere Option 2: ∂h/∂x = 2, ∂h/∂y = 6y; Continuous only at y = 0 Option 3: ∂h/∂x = 2, ∂h/∂y = 6; Continuous everywhere Option 4: ∂h/∂x = 2, ∂h/∂y = 3y; Continuous only at y = 0