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

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Let u be a constant and let f(x) = e-#(x² + u). Suppose that f is decreasing on (-x, x). Then (а) и <0 (b) 0 <и<1 (c) u 2 1 (а) и < -1 (e) none of these Let u be a constant and let f(x) = e-#(x² + u). Suppose that f is decreasing on (-x, x). Then (а) и <0 (b) 0 <и<1 (c) u 2 1 (а) и < -1 (e) none of these

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