A boy is 29 inches tall when he is 1 year old and 66 inches tall when he is 15 years

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Can someone, me with this.i really need with this

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?