Find f(x) if f(x)= −1x²+8x+4

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

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?

Build is 120 wide 20 feet high 48 feet long how many cubic feet and the volume