53. population growth using data in the table 3.7 and assuming the growth is exponential when were the population of austin and columbus equal.

edness, extrema, asymp 46. f(x) = 4 45. f(x) = 3.2* 48. f(x) = 5 . ex 47. f(x) = 4. 3x 6 5 49. f(x ) 50. f(x) = 1 + 2 . ex 1 + 4 . e -2x 51. Population Growth Using the midyear data in Table 3.7 and assuming the growth is exponential, when did the population of Austin surpass 800,000 persons? Table 3.7 Populations of Two Major U.S. Cities City 1990 Population 2000 Population Austin, Texas 465,622 Columbus, Ohio 656,562 632,910 711,265 Source: World Almanac and Book of Facts 2005