MATH 1A Midterm: MATH 1A Harvard 1a Midterm1 2005 sp
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Full credit may not be given for an answer alone. You may use the backs of the pages or the extra pages for scratch work. Students who, for whatever reason, submit work not their own will ordinarily be required to withdraw from the college. 1: (20 points) let f (x) = X if 0 x 1; if 1 < x < 2; x 1. 0 if x 2. (a) find the left- and right-hand limits at 0, 1, and 2. 2: (8 points) here is a table the percentage of low-weight (< 2500 grams) births among african-american mothers in various years. 13. 29 (i) what is the average rate of change in the low-birthweight percentage rate over the years 1992 to 1998? (ii) estimate the (instantenous) rate of change in the low-birthweight percent- age rate in 1994. State the de nition of the derivative of f at a. (ii) let f (x) =
