f(x) = { 3x² + 12x – 1, –1 ≤ x ≤ 2
    37 – x,    2 < x ≤ 3 }

Which of the following statements are correct ?

1. f(x) is continuous at x = 2.

2. f(x) attains greatest value at x = 2.

3. f(x) is differentiable at x = 2.

Select the correct answer using the code given below :

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