**Problem : **
Find the second derivative of *f* (*x*) = *x*^{3}.

f'(x) | = | ||

= | |||

= | 3x^{2} |

The derivative of this new function will be the second derivative of

f''(x) | = | ||

= | |||

= | 6x |

**Problem : **
For which value of *x* is *f''*(*x*) = 0, if *f* has the following graph?

Figure %: Locate the Points for which *f''*(*x*) = 0

**Problem : **
Find all functions *f* (*x*) such that *f''*(*x*) = 0.

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