The population of a city grows from an initial size of 100,000 to an amount P given by P(t)=100,000+2000t A. Find the growth rate. B. Find the number of people in the city after 10 years (at t = 10). C. Find the growth rate at t = 10. The median age of women at first marriage can be approximated by the linear function A(t) = 0.08t + 19.7 where A(t) is the median age of women at first marriage the t th year after 1950. A. Find the rate of change of the median age A with respect to time t. B. What is the average age of the first marriage of a woman in 2006?