Question: 1 : Let f ( x ) = 2 x 3 + 3 x 2 - 1 2 x . a: Find the intervals of

1: Let f(x)=2x3+3x2-12x.
a: Find the intervals of increase and the intervals of decreasing.
b: Find the local maximum values and the local minimum value. Write your answer as a coordinate.
c: Find the intervals of concave up and the intervals of concave down.
d: Find the inflection points. Write your answer as a coordinate.
1 : Let f ( x ) = 2 x 3 + 3 x 2 - 1 2 x . a: Find

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