Question: Let f ( x ) = 2 x 3 - 1 2 x 2 - 3 0 x - 6 a . Find all points

Let f(x)=2x3-12x2-30x-6
a. Find all points on the graph of f(x) at which the tangent line is horizontal.
b. Find all points on the graph of f(x) at which the tangent line has slope 162.
a. The tangent line is horizontal at the point(s)
Let f ( x ) = 2 x 3 - 1 2 x 2 - 3 0 x - 6 a .

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