Question: Let f ( x ) = x 2 - 3 x 1 . ( a ) Use the definition of the derivative to find f

Let f(x)=x2-3x1.
(a) Use the definition of the derivative to find f'(x).
(b) Find the equation of the line tangent to f(x) at x=-1.
(c) Find the x values at which f(x) has a horizontal tangent.
Let f ( x ) = x 2 - 3 x 1 . ( a ) Use the

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