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Differentiability at a point: graphical

AP.CALC: FUN‑2 (EU), FUN‑2.A (LO), FUN‑2.A.1 (EK), FUN‑2.A.2 (EK)


Function f is graphed. The dashed lines represent asymptotes.
Select all the x-values for which f is not differentiable.
Choose all answers that apply: