MATH 131 Midterm: MATH131 ALL-SECTIONS FALL2011 MID EXAM 2
15 Feb 2019
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Math 131 exam 2 (9. 1 9. 3, 9. 5 & 11. 1 11. 4) You must show all appropriate calculus work in order to receive full credit for an answer: before handing in your test: on your first answer sheet only, please copy the pledge and sign. Answers should be exact and in simplest form unless otherwise indicated. Please answer question 1 on answer page 1. Find the expected number of grasshopper matings if it has been two days since the last rainfall and the air temperature is 20 c. (do the calculations to get an answer in simplest form. ) 1. b. (15 points) find the average value of the function z = 6x2 + 2y over the rectangular region 0 x 2, Please answer question 2 on answer page 2. 2. a. (10 points) the body-mass index b for a human person is calculated by the formula hwb w. , where w is weight in pounds and h is height in inches.
