Does anyone know the answer

The graph of fx shown below has the same shape as the graph of gx = 3x^2 but is shifted down 2 units

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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)