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**firebrend** Which of the following characteristics of x^3 -6x^2 +12x +18 [IMG]file:///C:/Users/Arwin/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif[/IMG][IMG]file:///C:/Users/Arwin/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif[/IMG][IMG]file:///C:/Users/Arwin/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif[/IMG] are true?

A. X=2 is a point of inflection

B. X=2 is an upward turning point and x=0 is a downward turning point

C. X=2 is a downward turning point and x=0 is a upward turning point

D. X=2 can not be characterised because f’’(x)=0

I think the answer is x=2 is point of inflection( option A) , what do you all think? Thanks