The product of two positive numbers is 363. Minimize the sum of the first and three times the second. (answer: 33 and 11)

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A: f(-1)=3f'(x)≤2Integrating w.r.t x;∫ f'(x) dx ≤ ∫2 dxf(x)≤2x+Cf(-1)=33=2(-1)+CC=3+2C=5

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