Consider the integral approximation T20 of f 2e- dx. Does T20 overestimate or underestimate the exact value? OA. overestimates OB. underestimates Find the error bound for T20 without calculating Ty using the result that Error(TN) ≤ M(b-a)³ 12N² where M is the least upper bound for all absolute values of the second derivatives of the function 2e on the interval [a, b]. Error(T20) ≤

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