MATH 1B Midterm: MATH 1B Harvard Solutions2s99

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15 Feb 2019
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Rules: write all answers in the spaces provided below. Make sure that in each problem you have at least one sentence explaining the key idea. Problem 1: express the following as a fraction in lowest terms: (1 + 2 )(3 + 4 ) + 5. Problem 2: assume y > x > 0. List all statements of the form a b or a < b which hold for all values of x and y when a and b are among the. 3 following: (a) 1 x. (b) 1 y . y (c) y x. (d) y x y . (e) 1. Problem 3: suppose alice and bob live 100 miles away from each other and suppose they start driving towards each other, each at a constant rate. Further suppose alice drives 50% faster than bob. Problem 4: express each as a fraction in lowest terms: Problem 5: find all values of x such that.