a) f(x) is a quadratic function. The graph of f(x) decreases on the interval (-0, –2) and increases on the interval (2, ∞). It has a y-intercept at (0, 4). What is a possible equation for f(x)? b) Is there only one quadratic function, f(x), that has the characteristics given in part a)? c) If f(x) is an absolute value function that has the characteristics given in part a), is there only one such function? Explain.

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