7. [-/2 Points] DETAILS TANAPCALC10 5.2.046. Average Life Span One reason for the increase in human life span over the years has been the advances in medical technology. The average life span for American women from 1907 through 2007 is given by W(t) = 49.9 + 17.1 In(t) (ists 6) where W(t) is measured in years and t is measured in 20-year intervals, with t = 1 corresponding to 1907.+ (Round your answers to one decimal place.) (a) What was the average life expectancy for women in 1907? yr (b) If the trend continues, what will be the average life expectancy for women in 2067 (t = 9)? yr Need Help? Read It Watch It 8. [-/1 Points] DETAILS TANAPCALC10 5.2.052. Height of Trees The height (in feet) of a certain kind of tree is approximated by 130 h(t) = 1+195 e-0.26 t where t is the age of the tree in years. Estimate the age of a 65-ft tree. (Round your answer to one decimal place.) yr7. [-/2 Points] DETAILS TANAPCALC10 5.2.046. Average Life Span One reason for the increase in human life span over the years has been the advances in medical technology. The average life span for American women from 1907 through 2007 is given by W(t) = 49.9 + 17.1 In(t) (ists 6) where W(t) is measured in years and t is measured in 20-year intervals, with t = 1 corresponding to 1907.+ (Round your answers to one decimal place.) (a) What was the average life expectancy for women in 1907? yr (b) If the trend continues, what will be the average life expectancy for women in 2067 (t = 9)? yr Need Help? Read It Watch It 8. [-/1 Points] DETAILS TANAPCALC10 5.2.052. Height of Trees The height (in feet) of a certain kind of tree is approximated by 130 h(t) = 1+195 e-0.26 t where t is the age of the tree in years. Estimate the age of a 65-ft tree. (Round your answer to one decimal place.) yr1. Solve the equation for x. Show all algebraic work. 2. Open the eBook in WebAssign. Find section 5.1. 324x = 8*+2 Find exercise #44. Then find the number of cell phone subscribers in 2000 and in 2012. 3. Open the eBook in WebAssign. Find section 4.5. Complete exercise #20 (maximizing the yield of an apple orchard).44. U.S. Cell Phone Subscribers The number of cell phone subscribers in the United States between the years 2000 and 2010 is approximated by the function 385.474 N (t ) = 1 + 2.52e-0.214t (0