Which of the following exponential functions goes through the points (1, 20) and (2, 80)?
f(x) = 5(4)-*
f(x) = 4(5)*
f(x) = 5(4)
f(x) = 4(5)

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?