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If f(x) is concave down for all x then -f(x) is (concave up, concave down, can't tell)? If f'(a) is positive and g(x) =
If f(x) is concave down for all x then -f(x) is (concave up, concave down, can't tell)? If f'(a) is positive and g(x) = f(x) - 8, then g'(a) is (positive, negative, can't tell)?
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Salution fx is concave up ...
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
