The graphs of the function f(x) = x/(x2 + a2) for a = 1, 2 , and 3, are shown in Figure
Chapter 0, Problem 25(choose chapter or problem)
The graphs of the function f(x) = x/(x2 + a2) for a = 1, 2 , and 3, are shown in Figure 4.113. Without a calculator, identify the graphs by locating the critical points of f(x).
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