Question: Let u be a constant and let f(x) = e-#(x + u). Suppose that f is decreasing on (-x, x). Then () <0 (b)

Let u be a constant and let f(x) = e-#(x + u).

Let u be a constant and let f(x) = e-#(x + u). Suppose that f is decreasing on (-x, x). Then ()

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