(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

i cant solve it!

im really lost. i know you find f''(x) (i got 9e^3x +12) but i dont know where to go from there

what would i do on my calculator?

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# The function f(x) = e^3x +6x^2 +1 has a horizontal tangent at x =?

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