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?

- Feb 25th 2009, 04:08 PMLexiRaethe function f(x) = e^3x +6x^2 +1 has a horizontal tangent at x =?
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? - Feb 25th 2009, 04:34 PMReckoner
- Feb 25th 2009, 04:53 PMskeeter