At x = 0, the function f(x) = x3 + 1 has

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At x = 0, the function f(x) = x³ + 1 has

1. a maximum value
2. a minimum value
3. a singularity
4. a point of inflection

Correct Option: D

Function f(x) = x ³ + 1 has a point of inflection at x = 0, since in the graph sign of the curvature (i.e., concavity) is changed.