Write as a product. 5a–5a^2–10a^4

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Combine the information in the problem and the chart using the average balance method to solve the problem.

Which of the following graphs could represent a cubic function?