SOLUTION: If f(x)= x^3+3x^2 -9x+2,then A) f(x) has a maximum at x=1 B) f(x) has a neither a minimum nor a maximum at x=3 C) f(x) has a minimum at x=1 D) none of these

SOLUTION: If f(x)= x^3+3x^2 -9x+2,then A) f(x) has a maximum at x=1 B) f(x) has a neither a minimum nor a maximum at x=3 C) f(x) has a minimum at x=1 D) none of these

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Question 962098: If f(x)= x^3+3x^2 -9x+2,then A) f(x) has a maximum at x=1 B) f(x) has a neither a minimum nor a maximum at x=3 C) f(x) has a minimum at x=1 D) none of these
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Graphing the equation,
.
.
.

.
.
.
.
It has a local minimum at .
I'm not sure if that counts as answer C since it's only a local minimum.
So it's either C or D.

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