Consider the function f(x) = x2 + 4 x2 . a Find f0 (x). b Find the values of x at which
Chapter 16, Problem 12(choose chapter or problem)
Consider the function f(x) = x2 + 4 x2 . a Find f0 (x). b Find the values of x at which the tangent to the curve is horizontal. c Show that the tangents at these points are the same line.
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