Help please due in 45 minutes!!!

Which linear inequality is represented by the graph? !

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.