Artificial intelligent assistant

Function of exponential order whose derivative is not I am looking for a function of exponential order(i.e. bounded in absolute value by $Me^{ct}$ for some $M, c$) whose derivative is not of exponential order. My thought was to look for functions which oscillate wildly between + and - in continually decreasing "periods," but I'm having trouble finding specific functions. Any help is appreciated.

How about this: $\sin(e^{t^2})$

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