A portion of the graph of f', the derivative of the twice differentiable function f, is shown in the figure above. The areas of the regions bounded by the graph of f'and the x axis are labeled. It is known that f(1) = -2. The function g is twice differentiable. Selected values of g and g' are shown in the table above. AB1: Find all values of x in the open interval-3 < x < 8 for which the graph of f has horizontal tangent line. For each value of x, determine whether f has a relateive minimum, relative maximum. or neither a minimum nor a maximum at the x value. Justify your answers.

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