Question
1. If f(x) and g(x) are concave up , is that true that f(x)g(x) concave up? 2. If the function f(x)/g(x) is defined but not
1. If f(x) and g(x) are concave up , is that true that f(x)g(x) concave up?
2. If the function f(x)/g(x) is defined but not differentiable at x=1, is that true that either f(x) or g(x) is not differentiable at x=1
can you explain both of them?
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
