deadenders23941 deadenders23941 01-06-2023 Mathematics contestada (1 point) Let (8x + 4) if x < −1 if − 1 ≤ x ≤1 f(x) = 4x² 4x if x > 1 Find a formula for f'(x). Note: f(x) is differentiable at x = -1, but is NOT differentiable at x = 1. Can you see why tha