8.27) A saientist the numbber grows to the equation baderia ace NE)- Ae O· 1st where t ö measured i days and A is a constant. J show that the nunmber ţ bacteria increases at a cate puoportional t the numbor gresa when l=3 the numder bactera to Was estimated at 1-5x108 Evaliate # ( correct to 2 sig. 8-). The number bactiria doubles se lays. Find x. Icorre of t A decinal place). every

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ourse: MAC 2311 (SP22, DL) 7. You and a companion are driving a twisty stretch of road in a car with a speedometer but no odometer. To find out how long this road is, you record the car's velocity at 10-second intervals. Time (s) Velocity (ft/s) Time (s) Velocity (ft/s) 70 11 10 32 80 23 20 36 90 32 30 26 100 22 40 47 110 10 50 49. 120 29 60 19 a. Estimate the length of the road using left-endpoint values. 3660 ft b. Estimate the length of the road using right-endpoint values. ft 000 esc F4 F5 F6 10 F11 12 F1 F2 F3 #3 $ % & * 1 2 3 4 6 7 8 delete { Q W E R Y U tab A S D G H J K L return caps lock > V IB N .. .-