Acompany estimates its total profit (profit = total revenue minus total cost) as
p(x) = 2x5 − 3x4 − 5x2 − 2, where p is in thousands of dollars and x is the number of years elapsed since the company was founded. solve for the number of times the total profit become exactly zero. hint: use descartes's rule of signs.

Select all the correct answers. which statements fail to meet the requirements of a scientific claim? 1 even though evidence indicates that the solar system's planets follow elliptical paths, copernicus's model involving circular orbits is true. 2 the evidence supporting newton's laws of motion was accurate in newton's time, but the universe operates differently today. 3 flowers that reflect the most ultraviolet light are more likely to attract bees and other pollinators than flowers that reflect less ultraviolet light. 4 in the final 100 meters of a 10,000-meter race, an athlete's speed is more strongly related to anaerobic efficiency than to aerobic efficiency.

Which system revise and send electrical signals throughout the body

What terms describes being out of water after being submerged