The median age for a first marriage in the united states for women was 25.9 in 2009 and 26.1 in 2010. use an exponential model to predict the median age for women in 2019, where x is the number of years since 2009.

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.